For the change to take effect after running the command in Command Prompt or Terminal, you must or your computer:

This command is a popular registry tweak used in to restore the classic context menu (the right-click menu from Windows 10) by bypassing the simplified modern menu. How the Command Works

The command you provided appears incomplete and has syntax issues. Here’s the corrected version based on likely intent:

reg add "HKCU\Software\Classes\CLSID\86ca1aa0-34aa-4e8b-a509-50c905bae2a2\InprocServer32" /f /ve Windows 11: Bring back the Classic Context Menus

For the changes to take effect, you must restart the Explorer process. You can do this in Task Manager, or run this command: taskkill /f /im explorer.exe & start explorer.exe Breaking Down the Syntax