How to create automatic login without asking for password in windows Xp, Vista and Seven

This will change the windows log in process. After the boot screen no loginscreen will appear. Even if there is a password on your system, it will not ask for the password but log in automatically. Process:- 1. Type " control userpasswords2 " without quotes on RUN window or in the start search box and hit enter. 2. A new window " User Accounts" willbe opened. 3. Now navigate to users tab. 4. Here you will find " Users must entera user name and password to use this computer ". 5. If you uncheck this then it will be logged in automatically. And if you check in this then it will ask for the password. 6. A dialog will allow setting a user and password to be used automatically. 7. Now apply all the changes and PressOK. 8. Now close all the open window andreboot your system and Enjoy the changes.