Using the Snipping Tool
 
Both Windows Vista and Windows 7 come with a more robust screen capturing tool, the Snipping Tool. With the Snipping Tool, you can define areas of the screen you want to capture, edit, annotate the screen capture, and share via email. Since you can save the image directly from the program, the Snipping Tool also saves you the step of having to open Paint or a different program and pasting the image from the clipboard and the stress of having to download My Screen shot.
 The Snipping Tool (S.T) is a vital very tool.

How to use the Snipping Tool:
How to Take a Screenshot or Picture of What's On Your Computer Screen
  • Click on Start, then select All Programs, then  open the folder named 'Accessories'. There is where you will find the Snipping Tool.
  • Select it and pin it to your task bar for easy access.
  • After opening the snipping tool, Click on the arrow pointing down to view and select your snipping type (Free-form Snip, Rectangular Snip,Window snip or Full Screen Snip. This arrow can be found next to the New button.
  • Then use your mouse to select the area of your screen or window you want to capture. 
The Snipping Tool Types And Uses:
Like was mentioned earlier, the snipping tool is of four(4) types. Namely: The Free-form snip, Rectangular snip, window snip and the full screen snip. 
  • Free-form Snip.  Draw a free-form shape around an object.
  • Rectangular Snip.  Drag the cursor around an object to form a rectangle.
  • Window Snip.  Select a window, such as a browser window or dialog box, that you want to capture.
  • Full-screen Snip.  Capture the entire screen.
After you capture a snip, it's automatically copied to the Clipboard and the mark-up window. From the mark-up window, you can annotate, save, or share the snip.