This so no one can do anything on your computer while your away from it. No need to turn it off, set passwords, or lock folders, just follow these instructions.

This is my Tut.

First of all, You must have it set so that when you hit the Print Screen button on your computer it save the picture, and doesn't insert it into the clipboard.

1.make sure no programs are open. put your mouse in the lower left hand corner so it can't be seen and hit "print screen" and save it somewhere

2. right click on desktop, go to properties, click onwallpaper, hit browse, find where you saved the pic, and make it the wallpaper.

3. delete all your desktop icons. (i recommend putting them in a folder off the desktop)

4. make sure your taskbar is unlocked, then slide it down until buttons such as start and program tiles are not visible.

5.ta-da! locked! people see it, but cant do anything.

6. (optional for optimal foolproofness) UNPLUG YOUR MOUSE

(I recommend making your taskbar classic grey, that way they can't see the actual taskbar)

don't flame, please rep+.

P.S. this doesn't work so well on someone really computer savvy