Windows 7 and WinXP method for automatic password login

In Win7 or WinXP, if the user set the password, each login to enter, very troublesome. How can I automatically log in to the Win7 or WinXP system without entering a password? Here's how it works:

1, in the Start menu search box input "rundll32 Netplwiz.dll,usersrundll" (Windows7 can enter "Netplwiz") press ENTER, open the Advanced user Control Panel;

2, in the Advanced user Control Panel, the cancellation of the "to use this machine, users need to enter user name and password (E)" Item tick;

3, the system will pop up the window required to enter the default login system username and password, input completed click OK;

4, restart Windows, you can find that the system automatically login to the default user.

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