- Select Start > Settings > Accounts .
- Under Family & other users, select the account owner name (you should see "Local account" below the name), then select Change account type. ...
- Under Account type, select Administrator, and then select OK.
- Sign in with the new administrator account.
How to give administrator permission to user in Windows 10 using cmd?
Using a command prompt
Open “Run” with [Windows] + [R]. Type “cmd” and press [Ctrl] + [Shift] + [Enter]. Type “net user administrator /active:yes”. The administrator account is now activated.