You obviously cannot change to Administrator if you are already an admin. You can only change to a Standard account. You cannot change your account to Standard if you are the only admin on the PC. In ...
The first and most convenient method to change administrator on Windows 11 is to use the Settings app. You can open Windows Settings app and tweak some settings to switch the administrator account.
You can change your username in Windows 11 for any accounts you have. For local accounts, open the Control Panel and change the account name in User Accounts. If you have a Microsoft account, open ...