How to reset and add a administrator password using xp bootable CD in -XP

Follow the options

1. insert the XP bootable disk
2. Restart the computer
3. Select the second repair option
4. Press the key "shift+f10". Now we get a command prompt
5. done the the command ''net user <user name>  <password>". Now we crate a normal user. This user has not      
    a administrative privilege because we add the user into the administrator
6. Add the user into the administrator done the command "net localgroup administrators  <user name> /add". Now the user is add the administrator group.
7. Then completing the repair, done the new password in the administrator...