HKEY_CURRENT_USER\Software\Policies\Microsoft\MicrosoftEdge\Extensions

Prevent turning off required extensions
- HKEY_CURRENT_USER\Software\Policies\Microsoft\MicrosoftEdge\Extensions\PreventTurningOffRequiredExtensions
Allow Sideloading of extension
- HKEY_CURRENT_USER\Software\Policies\Microsoft\MicrosoftEdge\Extensions\AllowSideloadingOfExtensions
Allow Extensions
- HKEY_CURRENT_USER\Software\Policies\Microsoft\MicrosoftEdge\Extensions\ExtensionsEnabled