Crack Admin Password In Windows xp/vista/7 . step by step

For changing the administrator password using command prompt you must have access to guest account or any other account account. Now follow the step by step procedure.
1. Gain access to the guest acount
2. click on windows key + R .
3. type cmd in the run box.

now you will see a image like this :

4.  Type the following commands depending on your needs :

1.  To check the User Accounts: Net User
2. To Add a New User Account Type: Net User Username Password /add
3. To Delete a User Account Type: Net User Username /delete
4. To Change the Password of User Account Type: Net User Username *

With the help of above commands you can change the password of any account ( including administrator account )
THAT'S IT !!!!!
Note : Here username is the account name which you want to change or delete.