How To Capture a Screen Shot of your Desktop or the Active Window in Windows

Except for some professional screen capture software such as Hyper snap, ACA Capture Pro, SnagIT, we can still using the Windows defined function to capture the screen of your desktop or the active window. Have you ever pressed the print screen key on your Windows keyboard and wondered why it was there since it never seemed to do anything? Well, it does do something! It places an image of your screen on the "clipboard," ready to paste into any graphics program. These steps show you how to use it along with Windows' standard image editor, Microsoft Paint, to save an image of your screen.
1. Press the Print Screen key on your keyboard.
2. Open an image editing program, such as Microsoft Paint.
3. Go to the Edit menu and choose Paste.
4. If prompted to enlarge the image, choose Yes.
5. Optional: Use your image editor's crop tool to crop out unnecessary portions of the screen shot.
6. Go to the File Menu and choose Save As.
7. Navigate to the folder where you want to save the image.
8. Type a file name for the image.
9. Select a file type.
10. Click the Save button.Tips:Hold the Alt key down while pressing Print Screen to capture only the active window.