For most of us, system password is something with which we have a love-hate relationship. For positive reason, setting a password for your Windows is a fantastic way to dissuade unauthorized people from logging onto your Windows Vista; for negative reason, forgetting an obscure password is something makes you in a world of pain.
Certainly we have to create a Vista password for PC security, but how should we do to break windows vista password after we incidentally forgot Windows password? Read the following steps to learn how easily break windows vista password.

Method 1: Use Control, Alt, Delete keys to reset Windows password. (If you have a Non-password protected Windows built-in Administrator account)

Step1: Start your locked computer and press Ctrl+Alt+Delete keys twice when you see Windows Welcome/Login screen.
Step2: When the Classic Login box, type Administrator in username box and leave its password box blank. Then hit “Enter” key.
Step3: Now you can smoothly log on to your locked computer again and you can remove your forgotten Windows password from “Start->Control Panel->User Accounts” easily.

Any Windows operating system allows users to create a password reset disk which is used to reset a forgotten Windows password. If you created a Window password reset disk before, then you can:

Method 2: Use Windows password reset disk to break Vista password.(You must have created such a disk in advance)

1. Insert the disk into your locked computer after you boot the Windows computer to the Login Screen.
2. Click the password-forgotten user, and type any text in the “Password” text box, then hit “Enter”. Next, a warning window opens and shows you to reset password. You just click “Reset Password”.
3. Follow the steps in the Password Reset Wizard to create a new password.
4. Log on to the locked computer with the new password smoothly.

Finally, you can pick up one way to break windows vista password according to your condition. Good luck!