Do you know how to set your PC to lock down automatically when you’re away just using the Screen Saver? It’s really simple, start by typing ‘change screen saver’ into the Start Menu Search field and then hit Enter.
Select the screen-saver that you like and check the box “On resume, display logon screen” and then enter the number of minutes you want to wait before your screen-saver starts.
Click Ok to save your settings.
Type ‘user accounts’ into the Start Menu Search field and then hit Enter.
Click on “Create a password for your accounts” and set a password for account.
Done – when the scree-saver will show up, you’ll have to enter your Account password.