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* Create unofficalInstallMethods.md

* Update README.md

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+# Unoffical community driven install methods
+
+These are community driven alternative install methods to Windows Package Manager (WinGet) and GitHub. The PowerToys teams does not update or manage these install methods. 
+
+These will be listed in alphabetical order.
+
+## Chocolatey
+
+Download and upgrade PowerToys from [Chocolatey](https://chocolatey.org). If you have any issues when installing/upgrading the package please go to the [package page](https://chocolatey.org/packages/powertoys) and follow the [Chocolatey triage process](https://chocolatey.org/docs/package-triage-process)
+
+To install PowerToys, run the following command from the command line / PowerShell:
+
+```powershell
+choco install powertoys
+```
+
+To upgrade PowerToys, run the following command from the command line / PowerShell:
+
+```powershell
+choco upgrade powertoys
+```
+
+## Scoop
+
+Download and update PowerToys from [Scoop](https://scoop.sh). 
+
+To install PowerToys, run the following command from the command line / PowerShell:
+
+```powershell
+scoop install powertoys
+```
+
+To update PowerToys, run the following command from the command line / PowerShell:
+
+```powershell
+scoop update powertoys
+```