How to enable automatic logon upon startup in Windows 7

On the System desktop, press "Windows + R" to open the running box, as shown below:

Then, enter "control userpasswords2;

The UserAccounts window in Windows 7 will pop up automatically.

Then, remove the check box "to use the local machine, you must enter the user name and password", as shown in the following figure!

Click the application button and an automatic Log On window will pop up immediately in front of you.

Then we enter the username and password for logon, and set the password to restart.