http://www.windowspasswordsrecovery.com
http://www.windowspasswordsrecovery.com/win8/break-windows-8-password.html
If you forgot windows 8 password and locked out of your laptop such as Dell, HP, Acer, Toshiba, Asus, Lenovo,etc, just following this video guide. I am sure that you can regain access your PC in less than 4 minutes.