In order to make a screen shot do the following:
  1. Press the Print Screen key on your keyboard (nothing will show on the screen)
  2. Go to: Start -> Programs -> Accessories -> Paint
  3. Press Ctrl+V to paste. If asked weather to enlarge the bitmap, click Yes.
  4. Go to: File -> Save As
  5. Under Save as type, select JPEG If you can not find it, skip this step)
  6. Locate your desktop
  7. Under Filename, give a name for the file
  8. Click Save
  9. Attach the file you saved on your desktop to your reply

  10. This video shows how these steps work: How to make a screenshot video on YouTube