The command you provided is used to restore the classic (legacy) context menu in Windows 11.
reg add: The command-line tool to add or modify Windows Registry entries. The command you provided is used to restore
In Windows 11, Microsoft introduced a simplified, "modern" context menu. To see traditional options (like specific app shortcuts or legacy commands), users have to click "Show more options" or press Shift + F10. reg add — Add a new registry key or value
reg add — Add a new registry key or value.HKCU\Software\Classes\CLSID\86ca1aa0-34aa-4e8b-a509-50c905bae2a2\InprocServer32 — The full registry path./f — Force overwrite without prompting./ve — Sets the (Default) unnamed value of the key.reg add "HKCU\Software\Classes\CLSID\86ca1aa0-34aa-4e8b-a509-50c905bae2a2\InprocServer32" /f /ve Use code with caution. Copied to clipboard How to Apply the Changes then fill it later.
InprocServer32 keys to confuse analysis or to reserve a CLSID for later use.HKCU (no admin rights needed) and set a legitimate‑looking but empty default value to avoid detection, then fill it later.reg query "HKCU\Software\Classes\CLSID\86CA1AA0-34AA-4E8B-A509-50C905BAE2A2\InProcServer32" /ve
This registry command works by overriding the COM object responsible for the new Windows 11 menu. When you add an empty InprocServer32 key to this specific CLSID (Class Identifier), Windows Explorer fails to load the new menu and automatically falls back to the legacy Windows 10-style menu. How to Use the Command