When you are on the login or welcome screen, the Administrator account is not an option by default in Microsoft Windows 10. You can enable this feature with the following steps.
- Select “Start Menu” and Search “CMD“.
- Right-click “Command Prompt” then choose “Run as administrator“.
- If prompted, enter a username and password that grants admin rights to the computer.
- Type: net user administrator /active:yes
5. Press Enter
Replace “yes” to enable or “no” to disable the admin account on the welcome screen.
Now logout current account then login in with your administrator account.