A Windows password reset disk is always used to reset Windows password if you have created in advance. Here are the steps to use the disk for your password recovery.
Step 1: If you enter the wrong password when you attempt to log on, Windows will display a message that the password is incorrect. Click "OK" to close the message box.
Step 2: Click "Reset Windows Password", and then insert Windows password reset disk (or other removable media).
Step 3: Follow the steps in the "Password Reset Wizard" to create a new password.
Step 4: Log on with the new password.