How to turn back classic context menu in Windows 11 with PowerShell

Run Windows PowerShell or Windows Terminal as Administrator. Paste the following command: 
New-Item -Path "HKCU:\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}\InprocServer32" -Value "" -Force
Hit Enter
Reboot PC

If you want to get back Win 11 context menu, paste the following command:
Remove-Item -Path "HKCU:\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}\InprocServer32"
and hit Enter