Lock the Desktop

guys many people use windows(start) + L many even don't know(specially non network based people)
heres a simple trick if both of your windows button on keyboard get useless then try this.

simply create a shortcut
set its target to : rundll32.exe user32.dll,LockWorkStation
Name it as you want.

Done bro.
Try it out Works similar to Windows+L.

Njoy