This is for the windows 8 account that you need to login to the computer ?
was the id in the form of a microsoft email address ?
Try going to www.live.com and use the lost password ***** to reset the password ***** that email account
if the computer is hooked up to the internet it SHOULD accept the new password ***** you reset it at live.com and can access it there. The computer should use the same password. key word is should. But that is the way microsoft plans it to work.
If that does not work i can get you some password ***** software and instructions but they are not all that easy to use and require another computer to create a cd or flash drive that you would boot the affected computer from