Home Theater Setup, this is for automated setup scripts, for HTPC tuning refer to the folder hometheater for each program settings.
HDR
The shortcut for Windows HDR requires Xbox Game Bar to be installed. This app may be removed during debloater setup, it’s best to not remove the app. If it’s removed. Manually search for the app Xbox App in Microsoft store.
https://apps.microsoft.com/detail/9MV0B5HZVK9Z?hl=en-us&gl=CA&ocid=pdpshare
Open the Xbox App. There should be this message, click Review Now and install game bar.
Now HDR switch will work via Win + Alt + B