Disable or Enable Windows 11’s new context menu

To enable, run the following :

reg.exe add "HKCU\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}\InprocServer32" /f /ve

Then restart Windows Explorer e.g. via Task Manager.

to disable, run :

reg.exe delete "HKCU\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}" /f

Then restart Windows Explorer.