You just drag your mouse over to the left hand side of the screen. I mean all the way over..then you'll see a little preview window of the last window you were viewing.
You can click and hold and drag to the right and let go of it to bring it into focus.
Or just drag your mouse cursor all the way to the very bottom left hand corner of the screen to bring that will bring up the start menu. You can just click in the vey corner and it will bring the main Win 8 window back up into focus.
Or just press the *Windows key* on your keyboard.
Or press Windows Key + D to go directly to the desktop.
Or Windows Key + D + Tab
or Windows Key + Tab to cycle through.
or CTRL + Windows Key + Tab
System Manufacturer/Model Number Monkey Trainer Extraordinaire OS LCARS CPU My toilet habits are a private matter, thanks. Motherboard She finds stuff to do. Memory Not that I can recall. Graphics Card XXX rated Sound Card Huh? Monitor(s) Displays Monitors are lizards. Screen Resolution I haven't found one yet.
Keyboard Nar, it has other key friends. Mouse Cat PSU Again, toilet habits are a private matter. Case Pending Cooling 2 ice cubes. Hard Drives Sure isn't easy driving. Internet Speed Warp 9.9