Remove Administrator or a user password in Windows 10 using Kali
If you have locked yourself out of a Windows 10 machine, or have forgotten your password or the administrator password then you can remove that password using one of the tools included with Kali Linux. This obviously won’t work if you Windows disk system is encrypted.
Boot off a Kali livecd or USB
Open a terminal
Navigate to Windows disk /Windows/System32/Config
Type:
chntpw –l SAM
Pick a username from the list then type:
chntpw –u username SAM
Choose option 1 – remove password
Option 2 – unlock
Option Q to quit
press Y to save,
Reboot in to Windows and login with no password