How to Change a Windows XP NT 2000 Password Without Knowing the Original Password

http://www.wikihow.com/Change-a-Windows-XP-NT--2000-Password-Without-Knowing-the-Original-Password

Steps

Method 1

1. Get the Offline NT Password & Registry Editor boot CD
2. Burn the .iso to a CD
3. Restart the computer and boot to the CD (if it does not already boot to CD then you need to change the boot order in the BIOS or use a boot menu)
4. Follow the instructions on screen

Method 2

1. Make sure that the computer is shut down.
2. Start the computer.
3. Continuously press 'F8' until a new screen shows up
4. Select anything that has the words "command prompt" or "DOS" in it. Do not use safe mode unless every choice that says "command prompt" or "DOS" involves starting up safe mode. (See Tips)
5. Type cd\
6. Type cd documents and settings
7. Type dir
8. Choose the username that you'd like to change the password.
9. Type net user (here type the username that you want to change) * Example: net user BOB *
10. Type the new password.
11. Retype the password.
12. Restart the computer normally. You can do this by typing "shutdown -r" (no quotations.) Your new password should be active.

Tips

• If you use safe mode, you'll need to log in to an administrator account. Most people have leave their administrator account on without a password. If it is passworded and there is no other way to get access to the computer, try method 1.

This is illegal to do without the owner's permission.