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.

If after you update your Windows 11/10 PC to the latest version/build and the administrator account is missing, you can try our recommended solutions below in no particular order and see what helps ...

There are a number of Win 7 clients on our domain. All of them have been configured at standard user. Now the problem is that administrator username/password need to be entered for running things like ...