If you need to override administrator on Mac, you can do so by following these steps:
1.Open System Preferences and click on the Users & Groups icon.
2.Click the lock icon in the bottom left corner to unlock it and enter your password.
3.Click on the administrator that you want to override in the list of users.
4.Click on the "Enable root user" button at the bottom of the window. 5.Enter a password for the root user when prompted and click OK. 6.The administrator will now be overridden and you will have full control of the system.