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. Thi...