With Backdrop, window/icon/clutter cleanup is a thing of the past. Simply launch Backdrop and you get a solid background that fills your entire screen, leaving only the menu bar and Dock visible.

Sarah Jacobsson Purewal/CNET. 5. Under Value data: type 1 (default will be 0). Click OK. (To switch back to the default Windows log-in screen, change this value back to 0.) 6. Press Windows key ...