Let me explain by pokédexing this out.
[Ping!]
The print screen key has a long history. Origanally, it actually sent all text on the screen to the printer, if you had one connnected. If there was no printer, the computer virtually froze, helping the programmers of DOSes create, Control+C, or the universal stop. Then, came Windows 3.0. With Windows, there was no direct printing of the screen to the printer, unless you were to paste it into an program like Paint, and then have it printed. Years go by. Now, to utilise the printscreen key properly, you need to know what it does today. Printscreen take a 'virtual' snapshot of whatever is on display, and until recently, placed it in a virtual clipbord....but here are the simple steps to get this over with.
1. What you want printscreened shoud be on monitor.
2. Now simply press the printscreen key and release.
3. Open paint. (Start, Programs, accesorys, and paint.)
4.With paint open, go to Edit, and then paste
5.Done!
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Yes? What is it? Ok. Now that is good.