adkowkadoTEST

This reverts commit 1cd63ae6ce.

.pipelines/ESRPSigning_core.json

@@ -266,6 +266,7 @@
                 "Vanara.PInvoke.User32.dll",
                 "WinUI3Apps\\clrcompression.dll",
                 "WinUI3Apps\\Microsoft.Graphics.Canvas.Interop.dll",
+                "WinUI3Apps\\WinUI3Localizer.dll",
                 "Microsoft.Web.WebView2.Core.dll",
                 "Microsoft.Web.WebView2.WinForms.dll",
                 "Microsoft.Web.WebView2.Wpf.dll",

Directory.Packages.props

@@ -65,6 +65,7 @@
     <PackageVersion Include="UnitsNet" Version="4.145.0" />
     <PackageVersion Include="Vanara.PInvoke.User32" Version="3.4.11" />
     <PackageVersion Include="Vanara.PInvoke.Shell32" Version="3.4.11" />
+    <PackageVersion Include="WinUI3Localizer" Version="1.0.1" />
     <PackageVersion Include="WinUIEx" Version="2.2.0" />
     <PackageVersion Include="WPF-UI" Version="3.0.0-preview.4" />
   </ItemGroup>

installer/PowerToysSetup/Core.wxs

@@ -92,6 +92,7 @@
           <RemoveFolder Id="RemoveBaseApplicationsAssetsFolder" Directory="BaseApplicationsAssetsFolder" On="uninstall"/>
           <RemoveFolder Id="RemoveWinUI3AppsInstallFolder" Directory="WinUI3AppsInstallFolder" On="uninstall"/>
           <RemoveFolder Id="RemoveWinUI3AppsAssetsFolder" Directory="WinUI3AppsAssetsFolder" On="uninstall"/>
+          <RemoveFolder Id="RemoveWinUI3AppsStringsFolder" Directory="WinUI3AppsStringsFolder" On="uninstall"/>
           <RemoveFolder Id="RemoveINSTALLFOLDER" Directory="INSTALLFOLDER" On="uninstall"/>
         </Component>
         <ComponentRef Id="powertoys_exe" />

installer/PowerToysSetup/Product.wxs

@@ -367,8 +367,8 @@
               <Directory Id="WinUI3AppsMicrosoftUIXamlInstallFolder" Name="Microsoft.UI.Xaml">
                 <Directory Id="WinUI3AppsMicrosoftUIXamlAssetsInstallFolder" Name="Assets" />
               </Directory>
-            <Directory Id="WinUI3AppsAssetsFolder" Name="Assets">
-            </Directory>
+            <Directory Id="WinUI3AppsAssetsFolder" Name="Assets"/>
+            <Directory Id="WinUI3AppsStringsFolder" Name="Strings"/>
           </Directory>
           <Directory Id="ToolsFolder" Name="Tools"/>
         </Directory>

installer/PowerToysSetup/Settings.wxs

@@ -6,6 +6,7 @@
 
   <?define SettingsV2AssetsFiles=?>
   <?define SettingsV2AssetsFilesPath=$(var.BinDir)WinUI3Apps\Assets\Settings\?>
+  <?define SettingsV2StringsFilesPath=$(var.BinDir)WinUI3Apps\Strings\Settings\?>
 
   <?define SettingsV2AssetsModulesFiles=?>
   <?define SettingsV2AssetsModulesFilesPath=$(var.BinDir)WinUI3Apps\Assets\Settings\Modules\?>
@@ -16,6 +17,12 @@
   <?define SettingsV2OOBEAssetsFluentIconsFiles=?>
   <?define SettingsV2OOBEAssetsFluentIconsFilesPath=$(var.BinDir)WinUI3Apps\Assets\Settings\FluentIcons\?>
 
+  <?ifdef env.IsPipeline?>
+    <?define LocLanguageList = cs-CZ;de-DE;en-US;es-ES;fr-FR;hu-HU;it-IT;ja-JP;ko-KR;nl-NL;pl-PL;pt-BR;pt-PT;ru-RU;sv-SE;tr-TR;zh-CN;zh-TW?>
+  <?else?>
+    <?define LocLanguageList = en-US?>
+  <?endif?>
+
   <Fragment>
     <DirectoryRef Id="WinUI3AppsAssetsFolder">
       <Directory Id="SettingsV2AssetsInstallFolder" Name="Settings">
@@ -25,6 +32,86 @@
         </Directory>
       </Directory>
     </DirectoryRef>
+
+    <DirectoryRef Id="WinUI3AppsStringsFolder">
+      <Directory Id="SettingsStringsFolder" Name="Settings" />
+    </DirectoryRef>
+
+    <?foreach Language in $(var.LocLanguageList)?>
+    <!--NB: Ids can't contain hyphens-->
+    <?if $(var.Language) = cs-CZ?>
+    <?define IdSafeLanguage = cs_CZ?>
+    <?define CompGUID = 715E1991-43CC-4D32-98C8-5BBC9B649FD5?>
+    <?elseif $(var.Language) = de-DE?>
+    <?define IdSafeLanguage = de_DE?>
+    <?define CompGUID = 60EF66F9-7721-4EDB-A0DF-F64F5F2F402A?>
+    <?elseif $(var.Language) = en-US?>
+    <?define IdSafeLanguage = en_US?>
+    <?define CompGUID = 3CEF6FD7-348D-40EC-A75F-6351597CC091?>
+    <?elseif $(var.Language) = es-ES?>
+    <?define IdSafeLanguage = es_ES?>
+    <?define CompGUID = E0A3DD93-18DB-4BAA-A343-E33BFA8FB789?>
+    <?elseif $(var.Language) = fr-FR?>
+    <?define IdSafeLanguage = fr_FR?>
+    <?define CompGUID = A09AC847-F3F1-4C1C-A47D-F60B5218B73D?>
+    <?elseif $(var.Language) = hu-HU?>
+    <?define IdSafeLanguage = hu_HU?>
+    <?define CompGUID = B47DF99E-80FE-4F18-80FD-98085BED74D6?>
+    <?elseif $(var.Language) = it-IT?>
+    <?define IdSafeLanguage = it_IT?>
+    <?define CompGUID = 87DE1759-9749-4205-86D3-EE3F21740E8B?>
+    <?elseif $(var.Language) = ja-JP?>
+    <?define IdSafeLanguage = ja_JP?>
+    <?define CompGUID = DACD7B23-A12C-4469-B35A-F95CD6DD2121?>
+    <?elseif $(var.Language) = ko-KR?>
+    <?define IdSafeLanguage = ko_KR?>
+    <?define CompGUID = 40BBFD14-BF0A-49C6-80A0-8EC564F1CB65?>
+    <?elseif $(var.Language) = nl-NL?>
+    <?define IdSafeLanguage = nl_NL?>
+    <?define CompGUID = 6A6BBAF7-8CFB-458C-A20D-2484B4FB9B5A?>
+    <?elseif $(var.Language) = pl-PL?>
+    <?define IdSafeLanguage = pl_PL?>
+    <?define CompGUID = E03CDC2E-3D8A-4B14-BC70-C66B8C46A2EB?>
+    <?elseif $(var.Language) = pt-BR?>
+    <?define IdSafeLanguage = pt_BR?>
+    <?define CompGUID = FFAA45E5-6933-412A-B0A8-97F59E635419?>
+    <?elseif $(var.Language) = pt-PT?>
+    <?define IdSafeLanguage = pt_PT?>
+    <?define CompGUID = 7ECECEE4-095A-437E-AEDC-95FE77C3065E?>
+    <?elseif $(var.Language) = ru-RU?>
+    <?define IdSafeLanguage = ru_RU?>
+    <?define CompGUID = 30752E37-34DF-4359-B317-AE043015C204?>
+    <?elseif $(var.Language) = sv-SE?>
+    <?define IdSafeLanguage = sv_SE?>
+    <?define CompGUID = 61FF96C4-DADC-4CF2-91FA-60DCAF70DE21?>
+    <?elseif $(var.Language) = tr-TR?>
+    <?define IdSafeLanguage = tr_TR?>
+    <?define CompGUID = 821A28CF-DB00-4CD9-AFCF-B14B00014528?>
+    <?elseif $(var.Language) = zh-CN?>
+    <?define IdSafeLanguage = zh_CN?>
+    <?define CompGUID = 79586358-7BDA-46D4-94A6-99DB8F269630?>
+    <?elseif $(var.Language) = zh-TW?>
+    <?define IdSafeLanguage = zh_TW?>
+    <?define CompGUID = E4686F9A-F347-44B3-9244-BB8A9BE92193?>
+    <?else?>
+    <?define IdSafeLanguage = $(var.Language)?>
+    <?define CompGUID = 19C2DCCC-7A75-47D4-9957-2480D388CA5C?>
+    <?endif?>
+    <DirectoryRef Id="SettingsStringsFolder">
+      <Directory Id="Strings$(var.IdSafeLanguage)Settings" Name="$(var.Language)" />
+    </DirectoryRef>
+    <DirectoryRef Id="Strings$(var.IdSafeLanguage)Settings" FileSource="$(var.SettingsV2StringsFilesPath)\$(var.Language)">
+      <Component Id="Strings$(var.IdSafeLanguage)SettingsComp" Win64="yes" Guid="$(var.CompGUID)">
+        <RegistryKey Root="$(var.RegistryScope)" Key="Software\Classes\powertoys\components">
+          <RegistryValue Type="string" Name="Strings$(var.IdSafeLanguage)SettingsComp" Value="" KeyPath="yes"/>
+        </RegistryKey>
+        <File Id="Strings$(var.IdSafeLanguage)SettingsResourceFile" Source="$(var.SettingsV2StringsFilesPath)\$(var.Language)\Resources.resw" />
+      </Component>
+    </DirectoryRef>
+    <?undef IdSafeLanguage?>
+    <?undef CompGUID?>
+    <?endforeach?>
+
     <DirectoryRef Id="SettingsV2AssetsInstallFolder" FileSource="$(var.SettingsV2AssetsFilesPath)">
     <!-- Generated by generateFileComponents.ps1 -->
     <!--SettingsV2AssetsFiles_Component_Def-->
@@ -47,6 +134,51 @@
 
     <ComponentGroup Id="SettingsComponentGroup">
 
+      <?foreach Language in $(var.LocLanguageList)?>
+      <!--NB: Ids can't contain hyphens-->
+      <?if $(var.Language) = cs-CZ?>
+      <?define IdSafeLanguage = cs_CZ?>
+      <?elseif $(var.Language) = de-DE?>
+      <?define IdSafeLanguage = de_DE?>
+      <?elseif $(var.Language) = en-US?>
+      <?define IdSafeLanguage = en_US?>
+      <?elseif $(var.Language) = es-ES?>
+      <?define IdSafeLanguage = es_ES?>
+      <?elseif $(var.Language) = fr-FR?>
+      <?define IdSafeLanguage = fr_FR?>
+      <?elseif $(var.Language) = hu-HU?>
+      <?define IdSafeLanguage = hu_HU?>
+      <?elseif $(var.Language) = it-IT?>
+      <?define IdSafeLanguage = it_IT?>
+      <?elseif $(var.Language) = ja-JP?>
+      <?define IdSafeLanguage = ja_JP?>
+      <?elseif $(var.Language) = ko-KR?>
+      <?define IdSafeLanguage = ko_KR?>
+      <?elseif $(var.Language) = nl-NL?>
+      <?define IdSafeLanguage = nl_NL?>
+      <?elseif $(var.Language) = pl-PL?>
+      <?define IdSafeLanguage = pl_PL?>
+      <?elseif $(var.Language) = pt-BR?>
+      <?define IdSafeLanguage = pt_BR?>
+      <?elseif $(var.Language) = pt-PT?>
+      <?define IdSafeLanguage = pt_PT?>
+      <?elseif $(var.Language) = ru-RU?>
+      <?define IdSafeLanguage = ru_RU?>
+      <?elseif $(var.Language) = sv-SE?>
+      <?define IdSafeLanguage = sv_SE?>
+      <?elseif $(var.Language) = tr-TR?>
+      <?define IdSafeLanguage = tr_TR?>
+      <?elseif $(var.Language) = zh-CN?>
+      <?define IdSafeLanguage = zh_CN?>
+      <?elseif $(var.Language) = zh-TW?>
+      <?define IdSafeLanguage = zh_TW?>
+      <?else?>
+      <?define IdSafeLanguage = $(var.Language)?>
+      <?endif?>
+        <ComponentRef Id="Strings$(var.IdSafeLanguage)SettingsComp" />
+      <?undef IdSafeLanguage?>
+      <?endforeach?>
+
       <Component Id="RemoveSettingsFolder" Guid="2D3AEF68-4E5A-4FF9-A5C0-9E53391AC754" Directory="SettingsV2AssetsInstallFolder" >
         <RegistryKey Root="$(var.RegistryScope)" Key="Software\Classes\powertoys\components">
           <RegistryValue Type="string" Name="RemoveSettingsFolder" Value="" KeyPath="yes"/>
@@ -55,6 +187,51 @@
         <RemoveFolder Id="RemoveFolderSettingsV2OOBEAssetsFluentIconsInstallFolder" Directory="SettingsV2OOBEAssetsFluentIconsInstallFolder" On="uninstall"/>
         <RemoveFolder Id="RemoveFolderSettingsV2AssetsModulesInstallFolder" Directory="SettingsV2AssetsModulesInstallFolder" On="uninstall"/>
         <RemoveFolder Id="RemoveFolderSettingsV2OOBEAssetsModulesInstallFolder" Directory="SettingsV2OOBEAssetsModulesInstallFolder" On="uninstall"/>
+        <RemoveFolder Id="RemoveFolderSettingsStringsFolder" Directory="SettingsStringsFolder" On="uninstall"/>
+      <?foreach Language in $(var.LocLanguageList)?>
+      <!--NB: Ids can't contain hyphens-->
+      <?if $(var.Language) = cs-CZ?>
+      <?define IdSafeLanguage = cs_CZ?>
+      <?elseif $(var.Language) = de-DE?>
+      <?define IdSafeLanguage = de_DE?>
+      <?elseif $(var.Language) = en-US?>
+      <?define IdSafeLanguage = en_US?>
+      <?elseif $(var.Language) = es-ES?>
+      <?define IdSafeLanguage = es_ES?>
+      <?elseif $(var.Language) = fr-FR?>
+      <?define IdSafeLanguage = fr_FR?>
+      <?elseif $(var.Language) = hu-HU?>
+      <?define IdSafeLanguage = hu_HU?>
+      <?elseif $(var.Language) = it-IT?>
+      <?define IdSafeLanguage = it_IT?>
+      <?elseif $(var.Language) = ja-JP?>
+      <?define IdSafeLanguage = ja_JP?>
+      <?elseif $(var.Language) = ko-KR?>
+      <?define IdSafeLanguage = ko_KR?>
+      <?elseif $(var.Language) = nl-NL?>
+      <?define IdSafeLanguage = nl_NL?>
+      <?elseif $(var.Language) = pl-PL?>
+      <?define IdSafeLanguage = pl_PL?>
+      <?elseif $(var.Language) = pt-BR?>
+      <?define IdSafeLanguage = pt_BR?>
+      <?elseif $(var.Language) = pt-PT?>
+      <?define IdSafeLanguage = pt_PT?>
+      <?elseif $(var.Language) = ru-RU?>
+      <?define IdSafeLanguage = ru_RU?>
+      <?elseif $(var.Language) = sv-SE?>
+      <?define IdSafeLanguage = sv_SE?>
+      <?elseif $(var.Language) = tr-TR?>
+      <?define IdSafeLanguage = tr_TR?>
+      <?elseif $(var.Language) = zh-CN?>
+      <?define IdSafeLanguage = zh_CN?>
+      <?elseif $(var.Language) = zh-TW?>
+      <?define IdSafeLanguage = zh_TW?>
+      <?else?>
+      <?define IdSafeLanguage = $(var.Language)?>
+      <?endif?>
+          <RemoveFolder Id="RemoveFolderStrings$(var.IdSafeLanguage)Settings" Directory="Strings$(var.IdSafeLanguage)Settings" On="uninstall"/>
+      <?undef IdSafeLanguage?>
+      <?endforeach?>
       </Component>
     </ComponentGroup>
 

src/modules/colorPicker/ColorPickerUI/MainWindow.xaml.cs

@@ -3,6 +3,7 @@
 // See the LICENSE file in the project root for more information.
 
 using System.ComponentModel.Composition;
+using System.Globalization;
 using System.Windows;
 using System.Windows.Interop;
 using ColorPicker.ViewModelContracts;
@@ -17,7 +18,21 @@ namespace ColorPicker
         public MainWindow()
         {
             Closing += MainWindow_Closing;
+
             Bootstrapper.InitializeContainer(this);
+
+            if (!string.IsNullOrEmpty(MainViewModel.LanguageTag))
+            {
+                try
+                {
+                    ColorPicker.Properties.Resources.Culture = new System.Globalization.CultureInfo(MainViewModel.LanguageTag);
+                }
+                catch (CultureNotFoundException)
+                {
+                    // Add logging here
+                }
+            }
+
             InitializeComponent();
             DataContext = this;
             Show(); // Call show just to make sure source is initialized at startup.

src/modules/colorPicker/ColorPickerUI/Settings/IUserSettings.cs

@@ -28,6 +28,8 @@ namespace ColorPicker.Settings
 
         SettingItem<bool> ShowColorName { get; }
 
+        SettingItem<string> LanguageTag { get; }
+
         void SendSettingsTelemetry();
     }
 }

src/modules/colorPicker/ColorPickerUI/Settings/UserSettings.cs

@@ -10,6 +10,7 @@ using System.IO;
 using System.IO.Abstractions;
 using System.Text.Json;
 using System.Threading;
+using System.Windows;
 using ColorPicker.Common;
 using ManagedCommon;
 using Microsoft.PowerToys.Settings.UI.Library;
@@ -25,6 +26,7 @@ namespace ColorPicker.Settings
         private readonly ISettingsUtils _settingsUtils;
         private const string ColorPickerModuleName = "ColorPicker";
         private const string ColorPickerHistoryFilename = "colorHistory.json";
+        private const string LanguageFilename = "language.json";
         private const string DefaultActivationShortcut = "Ctrl + Break";
         private const int MaxNumberOfRetry = 5;
         private const int SettingsReadOnChangeDelayInMs = 300;
@@ -47,8 +49,10 @@ namespace ColorPicker.Settings
             ColorHistoryLimit = new SettingItem<int>(20);
             ColorHistory.CollectionChanged += ColorHistory_CollectionChanged;
             ShowColorName = new SettingItem<bool>(false);
+            LanguageTag = new SettingItem<string>(string.Empty);
 
             LoadSettingsFromJson();
+            LoadLanguage();
 
             // delay loading settings on change by some time to avoid file in use exception
             _watcher = Helper.GetFileWatcher(ColorPickerModuleName, "settings.json", () => throttledActionInvoker.ScheduleAction(LoadSettingsFromJson, SettingsReadOnChangeDelayInMs));
@@ -80,6 +84,22 @@ namespace ColorPicker.Settings
 
         public SettingItem<bool> ShowColorName { get; }
 
+        public SettingItem<string> LanguageTag { get; private set; }
+
+        private void LoadLanguage()
+        {
+            string filePath = _settingsUtils.GetSettingsFilePath(string.Empty, LanguageFilename);
+            if (!File.Exists(filePath))
+            {
+                LanguageTag.Value = string.Empty;
+            }
+            else
+            {
+                string jsonSettingsString = System.IO.File.ReadAllText(filePath);
+                LanguageTag.Value = JsonSerializer.Deserialize<OutGoingLanguageSettings>(jsonSettingsString).LanguageTag;
+            }
+        }
+
         private void LoadSettingsFromJson()
         {
             // TODO this IO call should by Async, update GetFileWatcher helper to support async

src/modules/colorPicker/ColorPickerUI/ViewModelContracts/IMainViewModel.cs

@@ -28,6 +28,11 @@ namespace ColorPicker.ViewModelContracts
         /// </summary>
         bool ShowColorName { get; }
 
+        /// <summary>
+        /// Gets a value indicating the language of the app
+        /// </summary>
+        string LanguageTag { get; }
+
         void RegisterWindowHandle(System.Windows.Interop.HwndSource hwndSource);
     }
 }

src/modules/colorPicker/ColorPickerUI/ViewModels/MainViewModel.cs

@@ -41,6 +41,11 @@ namespace ColorPicker.ViewModels
         /// </summary>
         private string _colorName;
 
+        /// <summary>
+        /// Backing field for <see cref="LanguageTag"/>
+        /// </summary>
+        private string _languageTag;
+
         [ImportingConstructor]
         public MainViewModel(
             IMouseInfoProvider mouseInfoProvider,
@@ -76,6 +81,8 @@ namespace ColorPicker.ViewModels
 
             _userSettings.ShowColorName.PropertyChanged += (s, e) => { OnPropertyChanged(nameof(ShowColorName)); };
 
+            LanguageTag = _userSettings.LanguageTag.Value;
+
             // Only start a local keyboard low level hook if running as a standalone.
             // Otherwise, the global keyboard hook from runner will be used to activate Color Picker through ShowColorPickerSharedEvent
             // and the Escape key will be registered as a shortcut by appStateHandler when ColorPicker is being used.
@@ -122,6 +129,15 @@ namespace ColorPicker.ViewModels
             }
         }
 
+        public string LanguageTag
+        {
+            get => _languageTag;
+            private set
+            {
+                _languageTag = value;
+            }
+        }
+
         public bool ShowColorName
         {
             get => _userSettings.ShowColorName.Value;

src/modules/fancyzones/editor/FancyZonesEditor/FancyZonesEditor.csproj

@@ -69,6 +69,7 @@
     <ProjectReference Include="..\..\..\..\common\interop\PowerToys.Interop.vcxproj" />
     <ProjectReference Include="..\..\..\..\common\ManagedCommon\ManagedCommon.csproj" />
     <ProjectReference Include="..\..\..\..\common\Common.UI\Common.UI.csproj" />
+    <ProjectReference Include="..\..\..\..\settings-ui\Settings.UI.Library\Settings.UI.Library.csproj" />
   </ItemGroup>
   <ItemGroup>
     <Compile Update="Properties\Resources.Designer.cs">

src/modules/fancyzones/editor/FancyZonesEditor/MainWindow.xaml.cs

@@ -42,6 +42,20 @@ namespace FancyZonesEditor
 
         public MainWindow(bool spanZonesAcrossMonitors, Rect workArea)
         {
+            var languageTag = App.FancyZonesEditorIO.LoadLanguage();
+
+            if (!string.IsNullOrEmpty(languageTag))
+            {
+                try
+                {
+                    FancyZonesEditor.Properties.Resources.Culture = new System.Globalization.CultureInfo(languageTag);
+                }
+                catch (CultureNotFoundException ex)
+                {
+                    Logger.LogError("CultureNotFoundException: " + ex.Message);
+                }
+            }
+
             InitializeComponent();
             _createLayoutAnnounce = (TextBlock)FindName("LayoutCreationAnnounce");
             DataContext = _settings;

src/modules/fancyzones/editor/FancyZonesEditor/Utils/FancyZonesEditorIO.cs

@@ -14,6 +14,7 @@ using System.Threading.Tasks;
 using System.Windows;
 using FancyZonesEditor.Models;
 using ManagedCommon;
+using Microsoft.PowerToys.Settings.UI.Library;
 
 namespace FancyZonesEditor.Utils
 {
@@ -37,6 +38,7 @@ namespace FancyZonesEditor.Utils
         private const string CustomLayoutsFile = "\\Microsoft\\PowerToys\\FancyZones\\custom-layouts.json";
         private const string DefaultLayoutsFile = "\\Microsoft\\PowerToys\\FancyZones\\default-layouts.json";
         private const string ParamsFile = "\\Microsoft\\PowerToys\\FancyZones\\editor-parameters.json";
+        private const string LanguageFile = "\\Microsoft\\PowerToys\\language.json";
 
         // Non-localizable string: default virtual desktop id
         private const string DefaultVirtualDesktopGuid = "{00000000-0000-0000-0000-000000000000}";
@@ -63,6 +65,8 @@ namespace FancyZonesEditor.Utils
 
         public string FancyZonesEditorParamsFile { get; private set; }
 
+        public string GlobalLanguageFile { get; private set; }
+
         private enum CmdArgs
         {
             PowerToysPID = 0,
@@ -332,6 +336,31 @@ namespace FancyZonesEditor.Utils
             FancyZonesCustomLayoutsFile = localAppDataDir + CustomLayoutsFile;
             FancyZonesDefaultLayoutsFile = localAppDataDir + DefaultLayoutsFile;
             FancyZonesEditorParamsFile = localAppDataDir + ParamsFile;
+            GlobalLanguageFile = localAppDataDir + LanguageFile;
+        }
+
+        public string LoadLanguage()
+        {
+            string ret = string.Empty;
+
+            if (!File.Exists(GlobalLanguageFile))
+            {
+                return string.Empty;
+            }
+            else
+            {
+                try
+                {
+                    string jsonSettingsString = System.IO.File.ReadAllText(GlobalLanguageFile);
+                    ret = JsonSerializer.Deserialize<OutGoingLanguageSettings>(jsonSettingsString).LanguageTag;
+                }
+                catch (Exception)
+                {
+                    return string.Empty;
+                }
+            }
+
+            return ret;
         }
 
         public ParsingResult ParseParams()

src/modules/imageresizer/tests/Models/ResizeOperationTests.cs

@@ -521,9 +521,9 @@ namespace ImageResizer.Models
             Assert.IsTrue(File.Exists(_directory + @"\nul_.png"));
         }
 
-        private static Settings Settings(Action<Settings> action = null)
+        private static ImageResizerSettings Settings(Action<ImageResizerSettings> action = null)
         {
-            var settings = new Settings()
+            var settings = new ImageResizerSettings()
             {
                 SelectedSizeIndex = 0,
             };

src/modules/imageresizer/tests/Properties/SettingsTests.cs

@@ -21,20 +21,20 @@ namespace ImageResizer.Properties
         public SettingsTests()
         {
             // Change settings.json path to a temp file
-            Settings.SettingsPath = ".\\test_settings.json";
+            ImageResizerSettings.SettingsPath = ".\\test_settings.json";
         }
 
         [ClassInitialize]
         public static void ClassInitialize(TestContext context)
         {
-            // new App() needs to be created since Settings.Reload() uses App.Current to update properties on the UI thread. App() can be created only once otherwise it results in System.InvalidOperationException : Cannot create more than one System.Windows.Application instance in the same AppDomain.
+            // new App() needs to be created since ImageResizerSettings.Reload() uses App.Current to update properties on the UI thread. App() can be created only once otherwise it results in System.InvalidOperationException : Cannot create more than one System.Windows.Application instance in the same AppDomain.
             _imageResizerApp = new App();
         }
 
         [TestMethod]
         public void AllSizesPropagatesSizesCollectionEvents()
         {
-            var settings = new Settings
+            var settings = new ImageResizerSettings
             {
                 CustomSize = new CustomSize(),
             };
@@ -53,7 +53,7 @@ namespace ImageResizer.Properties
         [TestMethod]
         public void AllSizesPropagatesSizesPropertyEvents()
         {
-            var settings = new Settings
+            var settings = new ImageResizerSettings
             {
                 CustomSize = new CustomSize(),
             };
@@ -77,7 +77,7 @@ namespace ImageResizer.Properties
         [TestMethod]
         public void AllSizesContainsSizes()
         {
-            var settings = new Settings
+            var settings = new ImageResizerSettings
             {
                 CustomSize = new CustomSize(),
             };
@@ -89,7 +89,7 @@ namespace ImageResizer.Properties
         [TestMethod]
         public void AllSizesContainsCustomSize()
         {
-            var settings = new Settings
+            var settings = new ImageResizerSettings
             {
                 CustomSize = new CustomSize(),
             };
@@ -102,7 +102,7 @@ namespace ImageResizer.Properties
         public void AllSizesHandlesPropertyEventsForCustomSize()
         {
             var originalCustomSize = new CustomSize();
-            var settings = new Settings
+            var settings = new ImageResizerSettings
             {
                 CustomSize = originalCustomSize,
             };
@@ -127,7 +127,7 @@ namespace ImageResizer.Properties
         [TestMethod]
         public void FileNameFormatWorks()
         {
-            var settings = new Settings { FileName = "{T}%1e%2s%3t%4%5%6%7" };
+            var settings = new ImageResizerSettings { FileName = "{T}%1e%2s%3t%4%5%6%7" };
 
             var result = settings.FileNameFormat;
 
@@ -140,7 +140,7 @@ namespace ImageResizer.Properties
         [DataRow(2)]
         public void SelectedSizeReturnsCustomSizeWhenOutOfRange(int index)
         {
-            var settings = new Settings
+            var settings = new ImageResizerSettings
             {
                 SelectedSizeIndex = index,
                 CustomSize = new CustomSize(),
@@ -155,7 +155,7 @@ namespace ImageResizer.Properties
         [TestMethod]
         public void SelectedSizeReturnsSizeWhenInRange()
         {
-            var settings = new Settings
+            var settings = new ImageResizerSettings
             {
                 SelectedSizeIndex = 0,
             };
@@ -169,7 +169,7 @@ namespace ImageResizer.Properties
         [TestMethod]
         public void IDataErrorInfoErrorReturnsEmpty()
         {
-            var settings = new Settings();
+            var settings = new ImageResizerSettings();
 
             var result = ((IDataErrorInfo)settings).Error;
 
@@ -181,7 +181,7 @@ namespace ImageResizer.Properties
         [DataRow(101)]
         public void IDataErrorInfoItemJpegQualityLevelReturnsErrorWhenOutOfRange(int value)
         {
-            var settings = new Settings { JpegQualityLevel = value };
+            var settings = new ImageResizerSettings { JpegQualityLevel = value };
 
             var result = ((IDataErrorInfo)settings)["JpegQualityLevel"];
 
@@ -196,7 +196,7 @@ namespace ImageResizer.Properties
         [DataRow(100)]
         public void IDataErrorInfoItemJpegQualityLevelReturnsEmptyWhenInRange(int value)
         {
-            var settings = new Settings { JpegQualityLevel = value };
+            var settings = new ImageResizerSettings { JpegQualityLevel = value };
 
             var result = ((IDataErrorInfo)settings)["JpegQualityLevel"];
 
@@ -206,7 +206,7 @@ namespace ImageResizer.Properties
         [TestMethod]
         public void IDataErrorInfoItemReturnsEmptyWhenNotJpegQualityLevel()
         {
-            var settings = new Settings();
+            var settings = new ImageResizerSettings();
 
             var result = ((IDataErrorInfo)settings)["Unknown"];
 
@@ -217,56 +217,56 @@ namespace ImageResizer.Properties
         public void ReloadCreatesFileWhenFileNotFound()
         {
             // Arrange
-            var settings = new Settings();
+            var settings = new ImageResizerSettings();
 
             // Assert
-            Assert.IsFalse(System.IO.File.Exists(Settings.SettingsPath));
+            Assert.IsFalse(System.IO.File.Exists(ImageResizerSettings.SettingsPath));
 
             // Act
             settings.Reload();
 
             // Assert
-            Assert.IsTrue(System.IO.File.Exists(Settings.SettingsPath));
+            Assert.IsTrue(System.IO.File.Exists(ImageResizerSettings.SettingsPath));
         }
 
         [TestMethod]
         public void SaveCreatesFile()
         {
             // Arrange
-            var settings = new Settings();
+            var settings = new ImageResizerSettings();
 
             // Assert
-            Assert.IsFalse(System.IO.File.Exists(Settings.SettingsPath));
+            Assert.IsFalse(System.IO.File.Exists(ImageResizerSettings.SettingsPath));
 
             // Act
             settings.Save();
 
             // Assert
-            Assert.IsTrue(System.IO.File.Exists(Settings.SettingsPath));
+            Assert.IsTrue(System.IO.File.Exists(ImageResizerSettings.SettingsPath));
         }
 
         [TestMethod]
         public void SaveJsonIsReadableByReload()
         {
             // Arrange
-            var settings = new Settings();
+            var settings = new ImageResizerSettings();
 
             // Assert
-            Assert.IsFalse(System.IO.File.Exists(Settings.SettingsPath));
+            Assert.IsFalse(System.IO.File.Exists(ImageResizerSettings.SettingsPath));
 
             // Act
             settings.Save();
             settings.Reload();  // If the JSON file created by Save() is not readable this function will throw an error
 
             // Assert
-            Assert.IsTrue(System.IO.File.Exists(Settings.SettingsPath));
+            Assert.IsTrue(System.IO.File.Exists(ImageResizerSettings.SettingsPath));
         }
 
         [TestMethod]
         public void ReloadRaisesPropertyChanged()
         {
             // Arrange
-            var settings = new Settings();
+            var settings = new ImageResizerSettings();
             settings.Save();    // To create the settings file
 
             var shrinkOnlyChanged = false;
@@ -349,7 +349,7 @@ namespace ImageResizer.Properties
         [TestMethod]
         public void SystemTextJsonDeserializesCorrectly()
         {
-            // Generated Settings file in 0.72
+            // Generated ImageResizerSettings file in 0.72
             var defaultInput =
                 "{\r\n  \"properties\": {\r\n    \"imageresizer_selectedSizeIndex\": {\r\n      \"value\": 1\r\n    },\r\n    \"imageresizer_shrinkOnly\": {\r\n      \"value\": true\r\n    },\r\n    \"imageresizer_replace\": {\r\n      \"value\": true\r\n    },\r\n    \"imageresizer_ignoreOrientation\": {\r\n      \"value\": false\r\n    },\r\n    \"imageresizer_jpegQualityLevel\": {\r\n      \"value\": 91\r\n    },\r\n    \"imageresizer_pngInterlaceOption\": {\r\n      \"value\": 1\r\n    },\r\n    \"imageresizer_tiffCompressOption\": {\r\n      \"value\": 1\r\n    },\r\n    \"imageresizer_fileName\": {\r\n      \"value\": \"%1 %1 (%2)\"\r\n    },\r\n    \"imageresizer_sizes\": {\r\n      \"value\": [\r\n        {\r\n          \"Id\": 0,\r\n          \"ExtraBoxOpacity\": 100,\r\n          \"EnableEtraBoxes\": true,\r\n          \"name\": \"Small-NotDefault\",\r\n          \"fit\": 1,\r\n          \"width\": 854,\r\n          \"height\": 480,\r\n          \"unit\": 3\r\n        },\r\n        {\r\n          \"Id\": 3,\r\n          \"ExtraBoxOpacity\": 100,\r\n          \"EnableEtraBoxes\": true,\r\n          \"name\": \"Phone\",\r\n          \"fit\": 1,\r\n          \"width\": 320,\r\n          \"height\": 568,\r\n          \"unit\": 3\r\n        }\r\n      ]\r\n    },\r\n    \"imageresizer_keepDateModified\": {\r\n      \"value\": false\r\n    },\r\n    \"imageresizer_fallbackEncoder\": {\r\n      \"value\": \"19e4a5aa-5662-4fc5-a0c0-1758028e1057\"\r\n    },\r\n    \"imageresizer_customSize\": {\r\n      \"value\": {\r\n        \"Id\": 4,\r\n        \"ExtraBoxOpacity\": 100,\r\n        \"EnableEtraBoxes\": true,\r\n        \"name\": \"custom\",\r\n        \"fit\": 1,\r\n        \"width\": 1024,\r\n        \"height\": 640,\r\n        \"unit\": 3\r\n      }\r\n    }\r\n  },\r\n  \"name\": \"Image Resizer\",\r\n  \"version\": \"1\"\r\n}";
 
@@ -384,9 +384,9 @@ namespace ImageResizer.Properties
         [TestCleanup]
         public void TestCleanUp()
         {
-            if (System.IO.File.Exists(Settings.SettingsPath))
+            if (System.IO.File.Exists(ImageResizerSettings.SettingsPath))
             {
-                System.IO.File.Delete(Settings.SettingsPath);
+                System.IO.File.Delete(ImageResizerSettings.SettingsPath);
             }
         }
     }

src/modules/imageresizer/ui/App.xaml.cs

@@ -37,7 +37,7 @@ namespace ImageResizer
             var batch = ResizeBatch.FromCommandLine(Console.In, e?.Args);
 
             // TODO: Add command-line parameters that can be used in lieu of the input page (issue #14)
-            var mainWindow = new MainWindow(new MainViewModel(batch, Settings.Default));
+            var mainWindow = new MainWindow(new MainViewModel(batch, ImageResizerSettings.Default));
             mainWindow.Show();
 
             // Temporary workaround for issue #1273

src/modules/imageresizer/ui/ImageResizerUI.csproj

@@ -63,6 +63,7 @@
     <ProjectReference Include="..\..\..\common\GPOWrapperProjection\GPOWrapperProjection.csproj" />
     <ProjectReference Include="..\..\..\common\interop\PowerToys.Interop.vcxproj" />
     <ProjectReference Include="..\..\..\common\Common.UI\Common.UI.csproj" />
+    <ProjectReference Include="..\..\..\settings-ui\Settings.UI.Library\Settings.UI.Library.csproj" />
   </ItemGroup>
   <ItemGroup>
     <Compile Update="Properties\Resources.Designer.cs">

src/modules/imageresizer/ui/Models/ResizeBatch.cs

@@ -116,6 +116,6 @@ namespace ImageResizer.Models
         }
 
         protected virtual void Execute(string file)
-            => new ResizeOperation(file, DestinationDirectory, Settings.Default).Execute();
+            => new ResizeOperation(file, DestinationDirectory, ImageResizerSettings.Default).Execute();
     }
 }

src/modules/imageresizer/ui/Models/ResizeOperation.cs

@@ -25,7 +25,7 @@ namespace ImageResizer.Models
 
         private readonly string _file;
         private readonly string _destinationDirectory;
-        private readonly Settings _settings;
+        private readonly ImageResizerSettings _settings;
 
         // Filenames to avoid according to https://learn.microsoft.com/windows/win32/fileio/naming-a-file#file-and-directory-names
         private static readonly string[] _avoidFilenames =
@@ -35,7 +35,7 @@ namespace ImageResizer.Models
                 "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9",
             };
 
-        public ResizeOperation(string file, string destinationDirectory, Settings settings)
+        public ResizeOperation(string file, string destinationDirectory, ImageResizerSettings settings)
         {
             _file = file;
             _destinationDirectory = destinationDirectory;

src/modules/imageresizer/ui/Properties/ImageResizerSettings.cs

@@ -9,16 +9,18 @@ using System.Collections.ObjectModel;
 using System.Collections.Specialized;
 using System.ComponentModel;
 using System.Globalization;
+using System.IO;
 using System.IO.Abstractions;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Threading;
 using System.Windows.Media.Imaging;
 using ImageResizer.Models;
+using OutGoingLanguageSettings = Microsoft.PowerToys.Settings.UI.Library.OutGoingLanguageSettings;
 
 namespace ImageResizer.Properties
 {
-    public sealed partial class Settings : IDataErrorInfo, INotifyPropertyChanged
+    public sealed partial class ImageResizerSettings : IDataErrorInfo, INotifyPropertyChanged
     {
         private static readonly IFileSystem _fileSystem = new FileSystem();
         private static readonly JsonSerializerOptions _jsonSerializerOptions = new JsonSerializerOptions
@@ -30,6 +32,7 @@ namespace ImageResizer.Properties
         // Used to synchronize access to the settings.json file
         private static Mutex _jsonMutex = new Mutex();
         private static string _settingsPath = _fileSystem.Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData), "Microsoft", "PowerToys", "Image Resizer", "settings.json");
+        private static string _languagePath = _fileSystem.Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData), "Microsoft", "PowerToys", "language.json");
         private string _fileNameFormat;
         private bool _shrinkOnly;
         private int _selectedSizeIndex;
@@ -43,8 +46,9 @@ namespace ImageResizer.Properties
         private bool _keepDateModified;
         private System.Guid _fallbackEncoder;
         private CustomSize _customSize;
+        private string _languageTag;
 
-        public Settings()
+        public ImageResizerSettings()
         {
             SelectedSizeIndex = 0;
             ShrinkOnly = false;
@@ -66,6 +70,21 @@ namespace ImageResizer.Properties
             FallbackEncoder = new System.Guid("19e4a5aa-5662-4fc5-a0c0-1758028e1057");
             CustomSize = new CustomSize(ResizeFit.Fit, 1024, 640, ResizeUnit.Pixel);
             AllSizes = new AllSizesCollection(this);
+
+            LoadLanguage();
+        }
+
+        private void LoadLanguage()
+        {
+            if (!File.Exists(_languagePath))
+            {
+                LanguageTag = string.Empty;
+            }
+            else
+            {
+                string jsonSettingsString = System.IO.File.ReadAllText(_languagePath);
+                LanguageTag = JsonSerializer.Deserialize<OutGoingLanguageSettings>(jsonSettingsString).LanguageTag;
+            }
         }
 
         [JsonIgnore]
@@ -134,7 +153,7 @@ namespace ImageResizer.Properties
             private ObservableCollection<ResizeSize> _sizes;
             private CustomSize _customSize;
 
-            public AllSizesCollection(Settings settings)
+            public AllSizesCollection(ImageResizerSettings settings)
             {
                 _sizes = settings.Sizes;
                 _customSize = settings.CustomSize;
@@ -227,10 +246,10 @@ namespace ImageResizer.Properties
             }
         }
 
-        private static Settings defaultInstance = new Settings();
+        private static ImageResizerSettings defaultInstance = new ImageResizerSettings();
 
         [JsonIgnore]
-        public static Settings Default
+        public static ImageResizerSettings Default
         {
             get
             {
@@ -402,6 +421,15 @@ namespace ImageResizer.Properties
             }
         }
 
+        public string LanguageTag
+        {
+            get => _languageTag;
+            set
+            {
+                _languageTag = value;
+            }
+        }
+
         public static string SettingsPath { get => _settingsPath; set => _settingsPath = value; }
 
         public event PropertyChangedEventHandler PropertyChanged;
@@ -444,7 +472,7 @@ namespace ImageResizer.Properties
             }
 
             string jsonData = _fileSystem.File.ReadAllText(SettingsPath);
-            var jsonSettings = new Settings();
+            var jsonSettings = new ImageResizerSettings();
             try
             {
                 jsonSettings = JsonSerializer.Deserialize<SettingsWrapper>(jsonData, _jsonSerializerOptions)?.Properties;

src/modules/imageresizer/ui/Properties/SettingsWrapper.cs

@@ -15,6 +15,6 @@ namespace ImageResizer.Properties
         public string Version { get; set; } = "1";
 
         [JsonPropertyName("properties")]
-        public Settings Properties { get; set; }
+        public ImageResizerSettings Properties { get; set; }
     }
 }

src/modules/imageresizer/ui/ViewModels/AdvancedViewModel.cs

@@ -35,7 +35,7 @@ namespace ImageResizer.ViewModels
             };
         }
 
-        public AdvancedViewModel(Settings settings)
+        public AdvancedViewModel(ImageResizerSettings settings)
         {
             RemoveSizeCommand = new RelayCommand<ResizeSize>(RemoveSize);
             AddSizeCommand = new RelayCommand(AddSize);
@@ -44,7 +44,7 @@ namespace ImageResizer.ViewModels
 
         public static IDictionary<Guid, string> EncoderMap { get; } = InitEncoderMap();
 
-        public Settings Settings { get; }
+        public ImageResizerSettings Settings { get; }
 
         public static string Version
             => typeof(AdvancedViewModel).Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()

src/modules/imageresizer/ui/ViewModels/InputViewModel.cs

@@ -32,7 +32,7 @@ namespace ImageResizer.ViewModels
         }
 
         public InputViewModel(
-            Settings settings,
+            ImageResizerSettings settings,
             MainViewModel mainViewModel,
             IMainView mainView,
             ResizeBatch batch)
@@ -53,7 +53,7 @@ namespace ImageResizer.ViewModels
             EnterKeyPressedCommand = new RelayCommand<KeyPressParams>(HandleEnterKeyPress);
         }
 
-        public Settings Settings { get; }
+        public ImageResizerSettings Settings { get; }
 
         public ICommand ResizeCommand { get; }
 

src/modules/imageresizer/ui/ViewModels/MainViewModel.cs

@@ -13,16 +13,18 @@ namespace ImageResizer.ViewModels
 {
     public class MainViewModel : Observable
     {
-        private readonly Settings _settings;
+        private readonly ImageResizerSettings _settings;
         private readonly ResizeBatch _batch;
 
         private object _currentPage;
         private double _progress;
+        private string _languageTag;
 
-        public MainViewModel(ResizeBatch batch, Settings settings)
+        public MainViewModel(ResizeBatch batch, ImageResizerSettings settings)
         {
             _batch = batch;
             _settings = settings;
+            _languageTag = settings.LanguageTag;
             LoadCommand = new RelayCommand<IMainView>(Load);
         }
 
@@ -40,6 +42,12 @@ namespace ImageResizer.ViewModels
             set => Set(ref _progress, value);
         }
 
+        public string LanguageTag
+        {
+            get => _languageTag;
+            set => Set(ref _languageTag, value);
+        }
+
         public void Load(IMainView view)
         {
             if (_batch.Files.Count == 0)

src/modules/imageresizer/ui/Views/MainWindow.xaml.cs

@@ -4,6 +4,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using ImageResizer.ViewModels;
 using Microsoft.Win32;
@@ -17,6 +18,19 @@ namespace ImageResizer.Views
         public MainWindow(MainViewModel viewModel)
         {
             DataContext = viewModel;
+
+            if (!string.IsNullOrEmpty(viewModel.LanguageTag))
+            {
+                try
+                {
+                    ImageResizer.Properties.Resources.Culture = new System.Globalization.CultureInfo(viewModel.LanguageTag);
+                }
+                catch (CultureNotFoundException)
+                {
+                    // Add logging here
+                }
+            }
+
             Wpf.Ui.Appearance.Watcher.Watch(this);
             InitializeComponent();
         }

src/modules/launcher/PowerLauncher/App.xaml.cs

@@ -140,11 +140,24 @@ namespace PowerLauncher
                 StringMatcher.Instance = _stringMatcher;
                 _stringMatcher.UserSettingSearchPrecision = _settings.QuerySearchPrecision;
 
+                _settingsReader = new SettingsReader(_settings, _themeManager);
+                _settingsReader.ReadSettings();
+
+                if (!string.IsNullOrEmpty(_settings.Language))
+                {
+                    try
+                    {
+                        PowerLauncher.Properties.Resources.Culture = new System.Globalization.CultureInfo(_settings.Language);
+                    }
+                    catch (CultureNotFoundException ex)
+                    {
+                        Log.Exception("Error setting language: ", ex, GetType());
+                    }
+                }
+
                 _mainVM = new MainViewModel(_settings, NativeThreadCTS.Token);
                 _mainWindow = new MainWindow(_settings, _mainVM, NativeThreadCTS.Token);
                 API = new PublicAPIInstance(_settingsVM, _mainVM, _alphabet, _themeManager);
-                _settingsReader = new SettingsReader(_settings, _themeManager);
-                _settingsReader.ReadSettings();
 
                 PluginManager.InitializePlugins(API);
 

src/modules/launcher/PowerLauncher/MainWindow.xaml.cs

@@ -4,6 +4,7 @@
 
 using System;
 using System.ComponentModel;
+using System.Globalization;
 using System.Linq;
 using System.Reactive.Linq;
 using System.Runtime.InteropServices;

src/modules/launcher/PowerLauncher/SettingsReader.cs

@@ -2,6 +2,7 @@
 // The Microsoft Corporation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.IO.Abstractions;
@@ -44,6 +45,36 @@ namespace PowerLauncher
 
             // Apply theme at startup
             _themeManager.ChangeTheme(_settings.Theme, true);
+
+            LoadLanguage();
+        }
+
+        private void LoadLanguage()
+        {
+            FileSystem fs = new FileSystem();
+
+            string languagePath = fs.Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData), "Microsoft", "PowerToys", "language.json");
+
+            if (fs.File.Exists(languagePath))
+            {
+                try
+                {
+                    string languageJson = fs.File.ReadAllText(languagePath);
+                    var language = System.Text.Json.JsonSerializer.Deserialize<OutGoingLanguageSettings>(languageJson);
+                    if (language != null)
+                    {
+                        _settings.Language = language.LanguageTag;
+                    }
+                }
+                catch (JsonException e)
+                {
+                    Log.Exception("Exception when loading language file", e, GetType());
+                }
+            }
+            else
+            {
+                _settings.Language = string.Empty;
+            }
         }
 
         public void CreateSettingsIfNotExists()

src/modules/launcher/Wox.Infrastructure/UserSettings/PowerToysRunSettings.cs

@@ -177,7 +177,8 @@ namespace Wox.Infrastructure.UserSettings
             }
         }
 
-        public string Language { get; set; } = "en";
+        [JsonIgnore]
+        public string Language { get; set; } = string.Empty;
 
         public Theme Theme { get; set; } = Theme.System;
 

src/runner/settings_window.cpp

@@ -238,11 +238,17 @@ void dispatch_received_json(const std::wstring& json_to_parse)
         }
         else if (name == L"killrunner")
         {
-            const auto pt_main_window = FindWindowW(pt_tray_icon_window_class, nullptr);
-            if (pt_main_window != nullptr)
-            {
+             const auto pt_main_window = FindWindowW(pt_tray_icon_window_class, nullptr);
+             if (pt_main_window != nullptr)
+             {
                 SendMessageW(pt_main_window, WM_CLOSE, 0, 0);
-            }
+             }
+        }
+        else if (name == L"language")
+        {
+             constexpr const wchar_t* language_filename = L"\\language.json";
+             const std::wstring save_file_location = PTSettingsHelper::get_root_save_folder_location() + language_filename;
+             json::to_file(save_file_location, j);
         }
     }
     return;

src/settings-ui/Settings.UI.Library/LanguageModel.cs

@@ -0,0 +1,50 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.IO;
+using System.IO.Abstractions;
+using System.Text.Json;
+using Microsoft.PowerToys.Settings.UI.Library;
+
+namespace Settings.UI.Library
+{
+    public class LanguageModel
+    {
+        public const string SettingsFilePath = "\\Microsoft\\PowerToys\\";
+        public const string SettingsFile = "language.json";
+
+        public string Tag { get; set; }
+
+        public string ResourceID { get; set; }
+
+        public string Language { get; set; }
+
+        public static string LoadSetting()
+        {
+            FileSystem fileSystem = new FileSystem();
+            var localAppDataDir = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
+            var file = localAppDataDir + SettingsFilePath + SettingsFile;
+
+            if (fileSystem.File.Exists(file))
+            {
+                try
+                {
+                    Stream inputStream = fileSystem.File.Open(file, FileMode.Open);
+                    StreamReader reader = new StreamReader(inputStream);
+                    string data = reader.ReadToEnd();
+                    inputStream.Close();
+                    reader.Dispose();
+
+                    return JsonSerializer.Deserialize<OutGoingLanguageSettings>(data).LanguageTag;
+                }
+                catch (Exception)
+                {
+                }
+            }
+
+            return string.Empty;
+        }
+    }
+}

src/settings-ui/Settings.UI.Library/OutGoingLanguageSettings.cs

@@ -0,0 +1,29 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Microsoft.PowerToys.Settings.UI.Library
+{
+    public class OutGoingLanguageSettings
+    {
+        [JsonPropertyName("language")]
+        public string LanguageTag { get; set; }
+
+        public OutGoingLanguageSettings()
+        {
+        }
+
+        public OutGoingLanguageSettings(string language)
+        {
+            LanguageTag = language;
+        }
+
+        public override string ToString()
+        {
+            return JsonSerializer.Serialize(this);
+        }
+    }
+}

src/settings-ui/Settings.UI/Converters/ImageResizerFitToStringConverter.cs

@@ -4,6 +4,7 @@
 
 using System;
 using System.Globalization;
+using Microsoft.PowerToys.Settings.UI.Helpers;
 using Microsoft.UI.Xaml.Data;
 
 namespace Microsoft.PowerToys.Settings.UI.Converters
@@ -21,9 +22,9 @@ namespace Microsoft.PowerToys.Settings.UI.Converters
             string targetValue = string.Empty;
             switch (value)
             {
-                case 0: targetValue = Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Fit_Fill_ThirdPersonSingular"); break;
-                case 1: targetValue = Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Fit_Fit_ThirdPersonSingular"); break;
-                case 2: targetValue = Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Fit_Stretch_ThirdPersonSingular"); break;
+                case 0: targetValue = LocalizerInstance.Instance.GetLocalizedString("ImageResizer_Fit_Fill_ThirdPersonSingular"); break;
+                case 1: targetValue = LocalizerInstance.Instance.GetLocalizedString("ImageResizer_Fit_Fit_ThirdPersonSingular"); break;
+                case 2: targetValue = LocalizerInstance.Instance.GetLocalizedString("ImageResizer_Fit_Stretch_ThirdPersonSingular"); break;
             }
 
             if (toLower)

src/settings-ui/Settings.UI/Converters/ImageResizerUnitToStringConverter.cs

@@ -4,6 +4,7 @@
 
 using System;
 using System.Globalization;
+using Microsoft.PowerToys.Settings.UI.Helpers;
 using Microsoft.UI.Xaml.Data;
 
 namespace Microsoft.PowerToys.Settings.UI.Converters
@@ -21,10 +22,10 @@ namespace Microsoft.PowerToys.Settings.UI.Converters
             string targetValue = string.Empty;
             switch (value)
             {
-                case 0: targetValue = Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Unit_Centimeter"); break;
-                case 1: targetValue = Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Unit_Inch"); break;
-                case 2: targetValue = Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Unit_Percent"); break;
-                case 3: targetValue = Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Unit_Pixel"); break;
+                case 0: targetValue = LocalizerInstance.Instance.GetLocalizedString("ImageResizer_Unit_Centimeter"); break;
+                case 1: targetValue = LocalizerInstance.Instance.GetLocalizedString("ImageResizer_Unit_Inch"); break;
+                case 2: targetValue = LocalizerInstance.Instance.GetLocalizedString("ImageResizer_Unit_Percent"); break;
+                case 3: targetValue = LocalizerInstance.Instance.GetLocalizedString("ImageResizer_Unit_Pixel"); break;
             }
 
             if (toLower)

src/settings-ui/Settings.UI/Helpers/LocalizerInstance.cs

@@ -0,0 +1,37 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using Windows.Storage;
+using WinUI3Localizer;
+
+namespace Microsoft.PowerToys.Settings.UI.Helpers
+{
+    internal static class LocalizerInstance
+    {
+        internal static ILocalizer Instance { get; private set; }
+
+        static LocalizerInstance()
+        {
+            InitializeLocalizer().Wait();
+        }
+
+        private static async Task InitializeLocalizer()
+        {
+            // Initialize a "Strings" folder in the executables folder.
+            string stringsPath = Path.Combine(AppContext.BaseDirectory, "Strings", "Settings");
+
+            Instance = await new LocalizerBuilder()
+                .AddStringResourcesFolderForLanguageDictionaries(stringsPath)
+                .SetOptions(options =>
+                {
+                    options.DefaultLanguage = "de-DE";
+                    options.UseUidWhenLocalizedStringNotFound = true;
+                })
+                .Build();
+        }
+    }
+}

src/settings-ui/Settings.UI/Helpers/ResourceExtensions.cs

@@ -1,18 +0,0 @@
-// Copyright (c) Microsoft Corporation
-// The Microsoft Corporation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-using Microsoft.Windows.ApplicationModel.Resources;
-
-namespace Microsoft.PowerToys.Settings.UI.Helpers
-{
-    internal static class ResourceExtensions
-    {
-        private static readonly ResourceLoader ResLoader = ResourceLoaderInstance.ResourceLoader;
-
-        public static string GetLocalized(this string resourceKey)
-        {
-            return ResLoader.GetString(resourceKey);
-        }
-    }
-}

src/settings-ui/Settings.UI/Helpers/ResourceLoaderInstance.cs

@@ -1,17 +0,0 @@
-// Copyright (c) Microsoft Corporation
-// The Microsoft Corporation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-using Microsoft.Windows.ApplicationModel.Resources;
-
-namespace Microsoft.PowerToys.Settings.UI.Helpers
-{
-    internal static class ResourceLoaderInstance
-    {
-        internal static ResourceLoader ResourceLoader { get; private set; }
-
-        static ResourceLoaderInstance()
-        {
-            ResourceLoader = new Microsoft.Windows.ApplicationModel.Resources.ResourceLoader("PowerToys.Settings.pri");
-        }
-    }
-}

src/settings-ui/Settings.UI/PowerToys.Settings.csproj

@@ -82,8 +82,9 @@
     <PackageReference Include="Microsoft.Windows.CsWinRT" />
     <PackageReference Include="CommunityToolkit.WinUI.UI" />
     <PackageReference Include="CommunityToolkit.WinUI.UI.Controls" />
-    <PackageReference Include="WinUIEx" />
-    <PackageReference Include="Microsoft.WindowsAppSDK" />
+	<PackageReference Include="WinUIEx" />
+	<PackageReference Include="WinUI3Localizer" />
+	<PackageReference Include="Microsoft.WindowsAppSDK" />
     <PackageReference Include="Microsoft.Windows.SDK.BuildTools" />
     <PackageReference Include="Microsoft.Xaml.Behaviors.WinUI.Managed" />
     <PackageReference Include="StreamJsonRpc" />
@@ -122,5 +123,9 @@
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
   </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="PostBuildEvent">
+	<Exec Command="if not exist &quot;..\..\..\$(Platform)\$(Configuration)\WinUI3Apps\Strings\Settings\&quot; (&#xD;&#xA;  mkdir &quot;..\..\..\$(Platform)\$(Configuration)\WinUI3Apps\Strings\Settings\&quot;&#xD;&#xA;  xcopy &quot;Strings&quot;  &quot;..\..\..\$(Platform)\$(Configuration)\WinUI3Apps\Strings\Settings&quot; /F /R /Y /I /S /C&#xD;&#xA;)" />
+  </Target>
 	
 </Project>

src/settings-ui/Settings.UI/SettingsXAML/App.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.App"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:converters="using:CommunityToolkit.WinUI.UI.Converters"
     xmlns:labs="using:CommunityToolkit.Labs.WinUI"

src/settings-ui/Settings.UI/SettingsXAML/Controls/AlphaColorPickerButton.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Controls.AlphaColorPickerButton"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/Controls/ColorFormatEditor.xaml

@@ -5,6 +5,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Controls.ColorFormatEditor"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:CommunityToolkit="using:CommunityToolkit.WinUI.UI.Controls"
     xmlns:converters="using:Microsoft.PowerToys.Settings.UI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

src/settings-ui/Settings.UI/SettingsXAML/Controls/ColorFormatEditor.xaml.cs

@@ -27,48 +27,47 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
 
         public void LoadParameters()
         {
-            ResourceLoader resourceLoader = ResourceLoaderInstance.ResourceLoader;
             ParametersItemsControl.ItemsSource = new List<ColorFormatParameter>
             {
-                new ColorFormatParameter() { Parameter = "%Re", Description = resourceLoader.GetString("Help_red") },
-                new ColorFormatParameter() { Parameter = "%Gr", Description = resourceLoader.GetString("Help_green") },
-                new ColorFormatParameter() { Parameter = "%Bl", Description = resourceLoader.GetString("Help_blue") },
-                new ColorFormatParameter() { Parameter = "%Al", Description = resourceLoader.GetString("Help_alpha") },
-                new ColorFormatParameter() { Parameter = "%Cy", Description = resourceLoader.GetString("Help_cyan") },
-                new ColorFormatParameter() { Parameter = "%Ma", Description = resourceLoader.GetString("Help_magenta") },
-                new ColorFormatParameter() { Parameter = "%Ye", Description = resourceLoader.GetString("Help_yellow") },
-                new ColorFormatParameter() { Parameter = "%Bk", Description = resourceLoader.GetString("Help_black_key") },
-                new ColorFormatParameter() { Parameter = "%Hu", Description = resourceLoader.GetString("Help_hue") },
-                new ColorFormatParameter() { Parameter = "%Si", Description = resourceLoader.GetString("Help_saturationI") },
-                new ColorFormatParameter() { Parameter = "%Sl", Description = resourceLoader.GetString("Help_saturationL") },
-                new ColorFormatParameter() { Parameter = "%Sb", Description = resourceLoader.GetString("Help_saturationB") },
-                new ColorFormatParameter() { Parameter = "%Br", Description = resourceLoader.GetString("Help_brightness") },
-                new ColorFormatParameter() { Parameter = "%In", Description = resourceLoader.GetString("Help_intensity") },
-                new ColorFormatParameter() { Parameter = "%Hn", Description = resourceLoader.GetString("Help_hueNat") },
-                new ColorFormatParameter() { Parameter = "%Ll", Description = resourceLoader.GetString("Help_lightnessNat") },
-                new ColorFormatParameter() { Parameter = "%Lc", Description = resourceLoader.GetString("Help_lightnessCIE") },
-                new ColorFormatParameter() { Parameter = "%Va", Description = resourceLoader.GetString("Help_value") },
-                new ColorFormatParameter() { Parameter = "%Wh", Description = resourceLoader.GetString("Help_whiteness") },
-                new ColorFormatParameter() { Parameter = "%Bn", Description = resourceLoader.GetString("Help_blackness") },
-                new ColorFormatParameter() { Parameter = "%Ca", Description = resourceLoader.GetString("Help_chromaticityA") },
-                new ColorFormatParameter() { Parameter = "%Cb", Description = resourceLoader.GetString("Help_chromaticityB") },
-                new ColorFormatParameter() { Parameter = "%Xv", Description = resourceLoader.GetString("Help_X_value") },
-                new ColorFormatParameter() { Parameter = "%Yv", Description = resourceLoader.GetString("Help_Y_value") },
-                new ColorFormatParameter() { Parameter = "%Zv", Description = resourceLoader.GetString("Help_Z_value") },
-                new ColorFormatParameter() { Parameter = "%Dv", Description = resourceLoader.GetString("Help_decimal_value_BGR") },
-                new ColorFormatParameter() { Parameter = "%Dr", Description = resourceLoader.GetString("Help_decimal_value_RGB") },
-                new ColorFormatParameter() { Parameter = "%Na", Description = resourceLoader.GetString("Help_color_name") },
+                new ColorFormatParameter() { Parameter = "%Re", Description = LocalizerInstance.Instance.GetLocalizedString("Help_red") },
+                new ColorFormatParameter() { Parameter = "%Gr", Description = LocalizerInstance.Instance.GetLocalizedString("Help_green") },
+                new ColorFormatParameter() { Parameter = "%Bl", Description = LocalizerInstance.Instance.GetLocalizedString("Help_blue") },
+                new ColorFormatParameter() { Parameter = "%Al", Description = LocalizerInstance.Instance.GetLocalizedString("Help_alpha") },
+                new ColorFormatParameter() { Parameter = "%Cy", Description = LocalizerInstance.Instance.GetLocalizedString("Help_cyan") },
+                new ColorFormatParameter() { Parameter = "%Ma", Description = LocalizerInstance.Instance.GetLocalizedString("Help_magenta") },
+                new ColorFormatParameter() { Parameter = "%Ye", Description = LocalizerInstance.Instance.GetLocalizedString("Help_yellow") },
+                new ColorFormatParameter() { Parameter = "%Bk", Description = LocalizerInstance.Instance.GetLocalizedString("Help_black_key") },
+                new ColorFormatParameter() { Parameter = "%Hu", Description = LocalizerInstance.Instance.GetLocalizedString("Help_hue") },
+                new ColorFormatParameter() { Parameter = "%Si", Description = LocalizerInstance.Instance.GetLocalizedString("Help_saturationI") },
+                new ColorFormatParameter() { Parameter = "%Sl", Description = LocalizerInstance.Instance.GetLocalizedString("Help_saturationL") },
+                new ColorFormatParameter() { Parameter = "%Sb", Description = LocalizerInstance.Instance.GetLocalizedString("Help_saturationB") },
+                new ColorFormatParameter() { Parameter = "%Br", Description = LocalizerInstance.Instance.GetLocalizedString("Help_brightness") },
+                new ColorFormatParameter() { Parameter = "%In", Description = LocalizerInstance.Instance.GetLocalizedString("Help_intensity") },
+                new ColorFormatParameter() { Parameter = "%Hn", Description = LocalizerInstance.Instance.GetLocalizedString("Help_hueNat") },
+                new ColorFormatParameter() { Parameter = "%Ll", Description = LocalizerInstance.Instance.GetLocalizedString("Help_lightnessNat") },
+                new ColorFormatParameter() { Parameter = "%Lc", Description = LocalizerInstance.Instance.GetLocalizedString("Help_lightnessCIE") },
+                new ColorFormatParameter() { Parameter = "%Va", Description = LocalizerInstance.Instance.GetLocalizedString("Help_value") },
+                new ColorFormatParameter() { Parameter = "%Wh", Description = LocalizerInstance.Instance.GetLocalizedString("Help_whiteness") },
+                new ColorFormatParameter() { Parameter = "%Bn", Description = LocalizerInstance.Instance.GetLocalizedString("Help_blackness") },
+                new ColorFormatParameter() { Parameter = "%Ca", Description = LocalizerInstance.Instance.GetLocalizedString("Help_chromaticityA") },
+                new ColorFormatParameter() { Parameter = "%Cb", Description = LocalizerInstance.Instance.GetLocalizedString("Help_chromaticityB") },
+                new ColorFormatParameter() { Parameter = "%Xv", Description = LocalizerInstance.Instance.GetLocalizedString("Help_X_value") },
+                new ColorFormatParameter() { Parameter = "%Yv", Description = LocalizerInstance.Instance.GetLocalizedString("Help_Y_value") },
+                new ColorFormatParameter() { Parameter = "%Zv", Description = LocalizerInstance.Instance.GetLocalizedString("Help_Z_value") },
+                new ColorFormatParameter() { Parameter = "%Dv", Description = LocalizerInstance.Instance.GetLocalizedString("Help_decimal_value_BGR") },
+                new ColorFormatParameter() { Parameter = "%Dr", Description = LocalizerInstance.Instance.GetLocalizedString("Help_decimal_value_RGB") },
+                new ColorFormatParameter() { Parameter = "%Na", Description = LocalizerInstance.Instance.GetLocalizedString("Help_color_name") },
             };
 
             ColorParametersItemsControl.ItemsSource = new List<ColorFormatParameter>
             {
-                new ColorFormatParameter() { Parameter = "b", Description = resourceLoader.GetString("Help_byte") },
-                new ColorFormatParameter() { Parameter = "h", Description = resourceLoader.GetString("Help_hexL1") },
-                new ColorFormatParameter() { Parameter = "H", Description = resourceLoader.GetString("Help_hexU1") },
-                new ColorFormatParameter() { Parameter = "x", Description = resourceLoader.GetString("Help_hexL2") },
-                new ColorFormatParameter() { Parameter = "X", Description = resourceLoader.GetString("Help_hexU2") },
-                new ColorFormatParameter() { Parameter = "f", Description = resourceLoader.GetString("Help_floatWith") },
-                new ColorFormatParameter() { Parameter = "F", Description = resourceLoader.GetString("Help_floatWithout") },
+                new ColorFormatParameter() { Parameter = "b", Description = LocalizerInstance.Instance.GetLocalizedString("Help_byte") },
+                new ColorFormatParameter() { Parameter = "h", Description = LocalizerInstance.Instance.GetLocalizedString("Help_hexL1") },
+                new ColorFormatParameter() { Parameter = "H", Description = LocalizerInstance.Instance.GetLocalizedString("Help_hexU1") },
+                new ColorFormatParameter() { Parameter = "x", Description = LocalizerInstance.Instance.GetLocalizedString("Help_hexL2") },
+                new ColorFormatParameter() { Parameter = "X", Description = LocalizerInstance.Instance.GetLocalizedString("Help_hexU2") },
+                new ColorFormatParameter() { Parameter = "f", Description = LocalizerInstance.Instance.GetLocalizedString("Help_floatWith") },
+                new ColorFormatParameter() { Parameter = "F", Description = LocalizerInstance.Instance.GetLocalizedString("Help_floatWithout") },
             };
         }
 

src/settings-ui/Settings.UI/SettingsXAML/Controls/ColorPickerButton.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Controls.ColorPickerButton"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/Controls/FancyZonesPreviewControl.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Controls.FancyZonesPreviewControl"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     Loaded="FancyZonesPreviewControl_Loaded"

src/settings-ui/Settings.UI/SettingsXAML/Controls/FlyoutMenuButton/FlyoutMenuButton.xaml

@@ -4,6 +4,7 @@
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Controls">
 
     <Style BasedOn="{StaticResource DefaultFlyoutMenuButtonStyle}" TargetType="local:FlyoutMenuButton" />

src/settings-ui/Settings.UI/SettingsXAML/Controls/IsEnabledTextBlock/IsEnabledTextBlock.xaml

@@ -1,6 +1,7 @@
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Controls">
 
     <Style TargetType="local:IsEnabledTextBlock">

src/settings-ui/Settings.UI/SettingsXAML/Controls/KeyVisual/KeyVisual.xaml

@@ -1,6 +1,7 @@
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Controls">
 
     <x:Double x:Key="DefaultIconSize">16</x:Double>

src/settings-ui/Settings.UI/SettingsXAML/Controls/OOBEPageControl/OOBEPageControl.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Controls.OOBEPageControl"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     d:DesignHeight="300"

src/settings-ui/Settings.UI/SettingsXAML/Controls/PowerAccentShortcutControl.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Controls.PowerAccentShortcutControl"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/Controls/SettingsGroup/SettingsGroup.xaml

@@ -1,6 +1,7 @@
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls">
 
     <Style TargetType="controls:SettingsGroup">

src/settings-ui/Settings.UI/SettingsXAML/Controls/SettingsPageControl/SettingsPageControl.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Controls.SettingsPageControl"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:CommunityToolkit.WinUI.UI.Controls"
     xmlns:converters="using:CommunityToolkit.WinUI.UI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

src/settings-ui/Settings.UI/SettingsXAML/Controls/ShortcutControl/ShortcutControl.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Controls.ShortcutControl"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/Controls/ShortcutControl/ShortcutControl.xaml.cs

@@ -49,11 +49,9 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
                 return;
             }
 
-            var resourceLoader = Helpers.ResourceLoaderInstance.ResourceLoader;
-
             var newValue = (bool)(e?.NewValue ?? false);
 
-            var text = newValue ? resourceLoader.GetString("Activation_Shortcut_With_Disable_Description") : resourceLoader.GetString("Activation_Shortcut_Description");
+            var text = newValue ? LocalizerInstance.Instance.GetLocalizedString("Activation_Shortcut_With_Disable_Description") : LocalizerInstance.Instance.GetLocalizedString("Activation_Shortcut_Description");
             description.Text = text;
         }
 
@@ -116,7 +114,6 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
 
             this.Unloaded += ShortcutControl_Unloaded;
             hook = new HotkeySettingsControlHook(Hotkey_KeyDown, Hotkey_KeyUp, Hotkey_IsActive, FilterAccessibleKeyboardEvents);
-            var resourceLoader = Helpers.ResourceLoaderInstance.ResourceLoader;
 
             if (App.GetSettingsWindow() != null)
             {
@@ -127,11 +124,11 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
             shortcutDialog = new ContentDialog
             {
                 XamlRoot = this.XamlRoot,
-                Title = resourceLoader.GetString("Activation_Shortcut_Title"),
+                Title = LocalizerInstance.Instance.GetLocalizedString("Activation_Shortcut_Title"),
                 Content = c,
-                PrimaryButtonText = resourceLoader.GetString("Activation_Shortcut_Save"),
-                SecondaryButtonText = resourceLoader.GetString("Activation_Shortcut_Reset"),
-                CloseButtonText = resourceLoader.GetString("Activation_Shortcut_Cancel"),
+                PrimaryButtonText = LocalizerInstance.Instance.GetLocalizedString("Activation_Shortcut_Save"),
+                SecondaryButtonText = LocalizerInstance.Instance.GetLocalizedString("Activation_Shortcut_Reset"),
+                CloseButtonText = LocalizerInstance.Instance.GetLocalizedString("Activation_Shortcut_Cancel"),
                 DefaultButton = ContentDialogButton.Primary,
             };
             shortcutDialog.PrimaryButtonClick += ShortcutDialog_PrimaryButtonClick;
@@ -139,7 +136,7 @@ namespace Microsoft.PowerToys.Settings.UI.Controls
             shortcutDialog.RightTapped += ShortcutDialog_Disable;
             shortcutDialog.Opened += ShortcutDialog_Opened;
             shortcutDialog.Closing += ShortcutDialog_Closing;
-            AutomationProperties.SetName(EditButton, resourceLoader.GetString("Activation_Shortcut_Title"));
+            AutomationProperties.SetName(EditButton, LocalizerInstance.Instance.GetLocalizedString("Activation_Shortcut_Title"));
 
             OnAllowDisableChanged(this, null);
         }

src/settings-ui/Settings.UI/SettingsXAML/Controls/ShortcutControl/ShortcutDialogContentControl.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Controls.ShortcutDialogContentControl"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/Controls/ShortcutControl/ShortcutWithTextLabelControl.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Controls.ShortcutWithTextLabelControl"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Controls"

src/settings-ui/Settings.UI/SettingsXAML/Flyout/AppsListPage.xaml

@@ -5,6 +5,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Flyout.AppsListPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Flyout"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/Flyout/LaunchPage.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Flyout.LaunchPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:animatedVisuals="using:Microsoft.UI.Xaml.Controls.AnimatedVisuals"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

src/settings-ui/Settings.UI/SettingsXAML/Flyout/ShellPage.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Flyout.ShellPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Flyout"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/FlyoutWindow.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.FlyoutWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:flyout="using:Microsoft.PowerToys.Settings.UI.Flyout"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI"
@@ -9,7 +10,7 @@
     xmlns:winuiex="using:WinUIEx"
     xmlns:i="using:Microsoft.Xaml.Interactivity"
     xmlns:ic="using:Microsoft.Xaml.Interactions.Core"
-    Title="PowerToys Settings"
+    Title="PowerToys  a a a a a a aSettings"
     IsAlwaysOnTop="True"
     IsMaximizable="False"
     IsMinimizable="False"

src/settings-ui/Settings.UI/SettingsXAML/MainWindow.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.MainWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.Views"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/MainWindow.xaml.cs

@@ -13,6 +13,7 @@ using Microsoft.UI;
 using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
 using Windows.Data.Json;
+using WinUI3Localizer;
 using WinUIEx;
 
 namespace Microsoft.PowerToys.Settings.UI
@@ -50,8 +51,8 @@ namespace Microsoft.PowerToys.Settings.UI
 
             NativeMethods.SetWindowPlacement(hWnd, ref placement);
 
-            var loader = Helpers.ResourceLoaderInstance.ResourceLoader;
-            Title = loader.GetString("SettingsWindow_Title");
+            string title = LocalizerInstance.Instance.GetLocalizedString("SettingsWindow_Title");
+            Title = title;
 
             // send IPC Message
             ShellPage.SetDefaultSndMessageCallback(msg =>

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeAlwaysOnTop.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeAlwaysOnTop"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeAwake.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeAwake"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeColorPicker.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeColorPicker"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeCropAndLock.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeCropAndLock"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeFancyZones.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeFancyZones"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeFileExplorer.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeFileExplorer"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeFileLocksmith.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeFileLocksmith"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeHosts.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeHosts"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeImageResizer.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeImageResizer"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeKBM.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeKBM"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeMeasureTool.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeMeasureTool"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeMouseUtils.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeMouseUtils"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeMouseWithoutBorders.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeMouseWithoutBorders"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeOverview.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeOverview"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeOverviewAlternate.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeOverviewAlternate"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeOverviewPlaceholder.xaml

@@ -5,6 +5,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeOverviewPlaceholder"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobePastePlain.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobePastePlain"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobePeek.xaml

@@ -5,6 +5,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobePeek"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobePowerAccent.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobePowerAccent"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobePowerOCR.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobePowerOCR"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobePowerRename.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobePowerRename"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeRegistryPreview.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeRegistryPreview"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeRun.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeRun"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeShellPage.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeShellPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:animations="using:CommunityToolkit.WinUI.UI.Animations"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeShortcutGuide.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeShortcutGuide"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeVideoConference.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeVideoConference"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OOBE/Views/OobeWhatsNew.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OOBE.Views.OobeWhatsNew"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"

src/settings-ui/Settings.UI/SettingsXAML/OobeWindow.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.OobeWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Microsoft.PowerToys.Settings.UI.OOBE.Views"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

src/settings-ui/Settings.UI/SettingsXAML/OobeWindow.xaml.cs

@@ -68,8 +68,7 @@ namespace Microsoft.PowerToys.Settings.UI
 
             this.SizeChanged += OobeWindow_SizeChanged;
 
-            var loader = Helpers.ResourceLoaderInstance.ResourceLoader;
-            Title = loader.GetString("OobeWindow_Title");
+            Title = LocalizerInstance.Instance.GetLocalizedString("OobeWindow_Title");
 
             if (shellPage != null)
             {

src/settings-ui/Settings.UI/SettingsXAML/Styles/Button.xaml

@@ -1,4 +1,5 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer">
 
     <SolidColorBrush x:Key="SubtleButtonBackground" Color="{ThemeResource SubtleFillColorTransparent}" />
     <SolidColorBrush x:Key="SubtleButtonBackgroundPointerOver" Color="{ThemeResource SubtleFillColorSecondary}" />

src/settings-ui/Settings.UI/SettingsXAML/Styles/TextBlock.xaml

@@ -1,6 +1,7 @@
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer">
 
     <Style
         x:Key="OobeSubtitleStyle"

src/settings-ui/Settings.UI/SettingsXAML/Themes/Colors.xaml

@@ -1,6 +1,7 @@
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer">
 
     <ResourceDictionary.ThemeDictionaries>
         <ResourceDictionary x:Key="Dark">

src/settings-ui/Settings.UI/SettingsXAML/Themes/Generic.xaml

@@ -1,4 +1,5 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer">
 
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="ms-appx:///SettingsXAML/Controls/SettingsGroup/SettingsGroup.xaml" />

src/settings-ui/Settings.UI/SettingsXAML/Views/AlwaysOnTopPage.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Views.AlwaysOnTopPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:labs="using:CommunityToolkit.Labs.WinUI"

src/settings-ui/Settings.UI/SettingsXAML/Views/AwakePage.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Views.AwakePage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:converters="using:Microsoft.PowerToys.Settings.UI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

src/settings-ui/Settings.UI/SettingsXAML/Views/ColorPickerPage.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Views.ColorPickerPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:converters="using:CommunityToolkit.WinUI.UI.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

src/settings-ui/Settings.UI/SettingsXAML/Views/ColorPickerPage.xaml.cs

@@ -22,8 +22,6 @@ namespace Microsoft.PowerToys.Settings.UI.Views
 
         public ICommand UpdateCommand => new RelayCommand(Update);
 
-        private ResourceLoader resourceLoader = ResourceLoaderInstance.ResourceLoader;
-
         public ColorPickerPage()
         {
             var settingsUtils = new SettingsUtils();
@@ -89,10 +87,10 @@ namespace Microsoft.PowerToys.Settings.UI.Views
             ContentDialog dialog = new ContentDialog();
             dialog.XamlRoot = RootPage.XamlRoot;
             dialog.Title = color.Name;
-            dialog.PrimaryButtonText = resourceLoader.GetString("Yes");
-            dialog.CloseButtonText = resourceLoader.GetString("No");
+            dialog.PrimaryButtonText = LocalizerInstance.Instance.GetLocalizedString("Yes");
+            dialog.CloseButtonText = LocalizerInstance.Instance.GetLocalizedString("No");
             dialog.DefaultButton = ContentDialogButton.Primary;
-            dialog.Content = new TextBlock() { Text = resourceLoader.GetString("Delete_Dialog_Description") };
+            dialog.Content = new TextBlock() { Text = LocalizerInstance.Instance.GetLocalizedString("Delete_Dialog_Description") };
             dialog.PrimaryButtonClick += (s, args) =>
             {
                 ViewModel.DeleteModel(color);
@@ -117,12 +115,12 @@ namespace Microsoft.PowerToys.Settings.UI.Views
 
         private async void NewFormatClick(object sender, Microsoft.UI.Xaml.RoutedEventArgs e)
         {
-            ColorFormatDialog.Title = resourceLoader.GetString("AddCustomColorFormat");
+            ColorFormatDialog.Title = LocalizerInstance.Instance.GetLocalizedString("AddCustomColorFormat");
             ColorFormatModel newColorFormatModel = ViewModel.GetNewColorFormatModel();
             ColorFormatDialog.DataContext = newColorFormatModel;
             ColorFormatDialog.Tag = string.Empty;
 
-            ColorFormatDialog.PrimaryButtonText = resourceLoader.GetString("ColorFormatSave");
+            ColorFormatDialog.PrimaryButtonText = LocalizerInstance.Instance.GetLocalizedString("ColorFormatSave");
             ColorFormatDialog.PrimaryButtonCommand = AddCommand;
             await ColorFormatDialog.ShowAsync();
         }
@@ -144,11 +142,11 @@ namespace Microsoft.PowerToys.Settings.UI.Views
         {
             SettingsCard btn = sender as SettingsCard;
             ColorFormatModel colorFormatModel = btn.DataContext as ColorFormatModel;
-            ColorFormatDialog.Title = resourceLoader.GetString("EditCustomColorFormat");
+            ColorFormatDialog.Title = LocalizerInstance.Instance.GetLocalizedString("EditCustomColorFormat");
             ColorFormatDialog.DataContext = colorFormatModel;
             ColorFormatDialog.Tag = new KeyValuePair<string, string>(colorFormatModel.Name, colorFormatModel.Format);
 
-            ColorFormatDialog.PrimaryButtonText = resourceLoader.GetString("ColorFormatUpdate");
+            ColorFormatDialog.PrimaryButtonText = LocalizerInstance.Instance.GetLocalizedString("ColorFormatUpdate");
             ColorFormatDialog.PrimaryButtonCommand = UpdateCommand;
             await ColorFormatDialog.ShowAsync();
         }

src/settings-ui/Settings.UI/SettingsXAML/Views/CropAndLockPage.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Views.CropAndLockPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:labs="using:CommunityToolkit.Labs.WinUI"

src/settings-ui/Settings.UI/SettingsXAML/Views/FancyZonesPage.xaml

@@ -2,6 +2,7 @@
     x:Class="Microsoft.PowerToys.Settings.UI.Views.FancyZonesPage"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:l="using:WinUI3Localizer"
     xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:labs="using:CommunityToolkit.Labs.WinUI"