How to reset Windows 10 password with built-in admin account.

http://bit.do/c4D8F Reneelab: secret sale page.
In the video I demonstrate how to reset windows 10 password without a thirt party software. I accessed the system to modify CMD.exe and UTILMAN.EXE which allow me to access the command prompt from the windows log on screen. Click this link to put files back to ariginal name. https://www.youtube.com/watch?v=_mR85mg04qU