Here are the steps on how to do it in pics. and in text......hope this helped....
Step 1: To take the screen shot press and Hold down Fn then press prnt scrn.
Step 2: Then open up Boutcheetah folder and Click on screenshots. To open the folder right click the icon on your computer/desktop and open file location.

Step 3: Click on the screenshots folder and search for your picture.(it will probably be the very last one if you have more than 1 screenshots. 
