He was talking abt the inbuilt windows Admin account

which will appear once you boot into safe mode by pressing F8 during bootup. Let's hope you do know the admin password to log in. Otherwise try leaving empty space in the password section. I've seen many people putting passwords for users but not for admin.
If there is a admin password, you need to use brute force to gain entry but there will be some tools involved. Let's hope you won't need to get to the stage.