When using Windows 8, the layout is quite different than what you expect. Windows 8 was designed to be used with a touch screen following the layout of most Smart Phones today. To switch back and forth quickly from the new screen to a more familiar screen, press the windows button:
How to find things
In windows 8, if you move your mouse to the bottom right hand corner of the screen, a window with five items will come up. Selecting the search option will allow you to search for anything on your computer.