Disable or Enable built-in Administrator account To enable, activate or turn on this built-in Administrator account, type CMD in the search box. CMD will appear at the top. Right-click on it to ‘Run as administrator’. To enable this built-in Administrator account, type this command & hit Enter: Net user administrator /active:yes To disable this built-in Administrator account, type this command & hit Enter: Net user administrator /active:no If you decide that you need a password for the administrator’s account that you are going to activate or if you are unable to activate it with a blank password run the following commands: Net user administrator P@$$w0rd Net user administrator activate:yes You will get a message: The command completed successfully . (Where P@$$w0rd has been taken as an example password) Switch user and log on using this password. Alternatively, you may also type secpol.msc in the search box and hit Enter. This will bring up the Loc