Lock Your Computer Instantly Using The Keyboard

If you are doing some personal work in your computer and someone comes out of nowhere and if you don't him to see what you are doing then you can lock your computer instantly preventing the other person to see your personal work.

To lock your computer instantly using just the keyboard, simply Hold the "Start" key and press the "L" key (Start+L).

This trick will help them who doesn't want their files seen by others when they are working on their files.