If you have another administrator account or someone sharing your PC has one, just contact him, and you will be able to get your account recovered rather soon.

Features:

• Require another available administrator account
• Support all versions of Windows but differ somewhat.

Here’s How:

1. Log back into the computer as administrator.

2. Press Windows logo + X keys together.

3. Choose Control Panel.

4. Click the User Accounts and Family Safety link and then the User Accounts link.

Note: In addition to the way above, you can also input "user" in the Search box, which can be opened by pressing Windows + X and then clicking Search.

5. Click Manage another account.

6. Pick the account you hope to reset passwords for.

7. Click Change the password.

8. Type in a new password and confirm it by re-entering it.

Want a full tutorial? See Pictorial Show: How to Change Your Password in Windows 7