How to Change windows xp password without knowing old password?

It is possible to change a password without knowing old password. First you need to login as Administration or other account but not from guest account. With this tips you can change password of your Friends or School computer. From Control panel if you try to change a password then it asks for old password but from this tips you can change without knowing old password.

Step 1:- Goto start menu right click on My Computer click on Manage (Computer Management) window will appear
Step 2:- Select a tab as follows
System Tools>Local>Users And Groups>Users
Step 3:- You will see Administration, Guest and other how many account you have see the picture below

 

Step 4:- Choose account which you want to change password right click on it Select Set Password
Step 5:- Dialog box will appear Click on Proceed
Step 6:- This type of box will appear

 

Step 7:- Enter your new password Click Ok