there r tools to break the password of admin first download Password Unlocker Bundle 5.5 or Erd commander then burn the core process ISO image file of diz tool onto a CD or DVD, and proceed to use the CD/DVD to reset the password to be blank, that is empty!
then
a). Insert the newly created CD/DVD into the locked computer. Reboot the computer from the CD/DVD. When the CD/DVD boots, you'll see Windows Password Unlocker 4.0 is initializing. If so, go on with the next step. If the computer still boots from Windows, it's necessary to change BIOS boot sequence to boot it from CD/DVD.
b). Select the user name whose password you want to reset, and click 'Reset'.
c). Click "Yes" to confirm your action. Or, click "No" to undo your selection.
d). In the end, a message box will appear as below, indicating Windows Password Unlocker 4.0 has successfully removed the password.