Enable or Disable Built-in Administrator Account in Windows 11

This tutorial will show you how to enable or disable the built-in Administrator account in Windows 11. Windows 11 includes a hidden built-in Administrator account that serves as the local system administrator with elevated rights by default without needing Run as administrator or UAC (User Account Control) for elevation approval.

 https://www.elevenforum.com/t/enable-or-disable-built-in-administrator-account-in-windows-11.709/