How to set automatic lock screen in win7 system?

How does the win7 system set the automatic lock screen?

1. First, you need to set the login password to the power-on password;

2. Right-click on the blank space on the desktop and select “Personalization”;

In the personalized interface, click “Screen Saver”;

4. In the “Screen Saver Settings” screen, select any screen saver animation in the “Screen Saver” drop-down menu. "Wait time" and then tick "Show login screen when recovering", click Apply and OK.

5, if you do not want to use the lock screen function, we only need to "display the login screen when recovering", remove the front hook, save the settings.