Tip 1
Put the Windows 7 Operating System CD into the optical drive on your computer and restart the computer. A message will appear on your screen that says, "Press any key to boot from CD." Execute it.

Setup CD will check your system and load the needed files. Enter Windows setup, press F8 to accept the License Agreement and click Repair.

The repair process will begin. It will take a little time for all of your files to copy. When it is finished, your computer will reboot automatically. Don't touch any keys just let the computer reboot on its own.

After computer reboots, you will see "Installing Devices" in the left bottom of your screen. Press Shift+F10 when you see this and a command console will open. Type NUSRMGR.CPL and press Enter. You will see the User Accounts of your computer. Select the correct account, change or remove the password; if you want to log in without using a password, type control userpasswords2 and press Enter.

After you reset windows 7 password, close all windows and enter your Product ID at the prompt. Then you can log into your computer with the new password.

The following way to bypass windows 7 password is easier.

Tip 2
1 Insert the Windows 7 installation CD into your drive and boot the computer from the CD.

2 Click repair your computer link.

3 Click the command prompt link. Input command mmc.exe and press enter, console1 window will pop up.

4 Click file, select add/remove snap-in, find local users and groups in the left, add it to the right box and finish it.

5 Expand users in console, right click the target account, set password for it or leave it as blank.

6 Restart the PC and then you will bypass windows 7 password successfully.