http://www.lockergnome.com/windows/2012/03/23/how-to-deal-with-a-forgotten-windows-password/ - Forgetting your Windows 7 Administrator password can leave you without access to your system, or worse. This could happen out of honest forgetfulness, the result of idiotic roommates with nothing better to do, or any number of other situations that could result in a total loss of access to your system. Thankfully, being locked out doesn't mean you can't regain control through one of several different tools available to you free of charge. In fact, all you really need is a USB thumb drive and/or another computer to install the recovery software on. In many cases, you can recover your Windows administrative password in just a few minutes. Here are some methods to help you regain access to Windows when you've forgotten your password.
You can watch the entire live TLDR episode here: http://youtu.be/eujtnMaR53I
