Download Kali Linux and burn the ISO to a CD/DVD. Boot Windows machine with the LiveCD . On the boot menu of Kali Linux, select Live (forensic mode) . Kali Linux initialize and when it loads, it will open a terminal window and navigate to the Windows password database file. Almost all versions of windows password is saved in SAM file. This file is usually located under /Windows/System32/config . On your system it may look something like this: /media/hda1 /Windows/System32/config . Below is the screenshot. The SAM database is usually in the /media/name_of_hard_drive/Windows/System32/config The screen shot below lists the SAM database file on my hard drive. The screen shot below lists the SAM database file on my hard drive. Type command chntpw -l SAM and it will list out all the usernames that are contained on the Windows system. The command gives us a list of usernames on the system. When we have the username we want to modify and we simply run the command chntpw -u...