This is so simple.
The shot below is my XP that looks like vista. To do this click on this or type it: https://www.instructables.com/id/How_to_completely_visalize_Your_Computer/
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Step 1: Programs Needed

You need the following programs:
Microsoft Paint
A Keyboard

Step 2: Taking the Shot

Now all you have to do is press the buttons Alt+Print Screen. On laptops to conserve space say Pnt Screen.

Step 3: Getting the Image

Now all that's left is to open paint and scroll over Edit and hit paste. should get the image. Depending what you want to do with it, save it as a Jpeg or Bitmap file.