How does the Win7 system set a key lock screen?

In fact, Win7 a key lock screen and the phone's lock screen is almost. Some netizens said we can set the user name to the computer, and then the user name to set the password to encrypt, so that others also have to pass the password to enter your computer. In fact, this method is also possible. If you want to use this method, you can look. This applies to all systems. These include common Windows XP and Win8 are all OK.

Of course, I use the win7 one-click lock screen can quickly lock the interface. The premise also if you get the computer set the power-on password. Just press and hold the "Win+l" key to enter the Win7 lock screen (the win key is the key between CTRL and ALT two keys), of course, you can also click the "Start menu-shutdown-lock" is the same. The final effect is as shown in the figure:

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