Hacker - Reset Windows local user password free tool.

About O.S. local user password recovery/reset I usually utilize Pc Login 2.0 that is free and work fine as Live CD/DVD/USB drive

Pc Login Download:

http://www.download3k.com/Install-PCLoginNow-2.0.5.html

You can review blog USB live section to learn about how to create USB 

http://www.alessandromazzanti.com/search/label/CD%20Live

http://www.alessandromazzanti.com/search/label/USB