Win+L will lock it, which is what I do when I stand up from my desk. Or you can add a button to the start screen - http://www.howtogeek.com/77061/how-to-add-sh

Win+L will lock it, which is what I do when I stand up from my desk. Or you can add a button to the start screen - http://www.howtogeek.com/77061/how-to-add-shutdown-restart-sleep-to-the-windows-8-metro-start-screen/ http://www.howtogeek.com/77061/how-to-add-shutdown-restart-s...