There is much less options than in Windows 10.
In regedit find CLSID folder.
Location: [HKEY_CURRENT_USER\Software\Classes\CLSID]
Create new key named {86ca1aa0-34aa-4e8b-a509-50c905bae2a2}
.
Inside {86ca1aa0-34aa-4e8b-a509-50c905bae2a2}
key create another one.
This time name it InprocServer32
.
In InprocServer32
double click the Default
key.
Leave the Value data blank and click OK.
After that restart your system.
Enjoy the classic context menu in Windows 11.
All in One Windows 11 Tewaks release in October