reg.exe delete "hkcu\software\classes\clsid\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}" /f

The command creates a specific registry key that masks the new Windows 11 COM object responsible for the compact context menu.

: Paste the following line and press Enter : reg.exe add "HKCU\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}\InprocServer32" /f /ve

: Right-click the Start button and select Terminal (or Command Prompt).