Thanks, i have used snipping tool app in windownSeriously. It would have been quicker to Google it than register and post on a forum.
Like this.
*Moved to correct section of forum.
It is one of the easiest thing which you can do on your PC.
Just print PrtSct key in your keyboard and your screen shot is ready to be printed and then open paint-brush from applications and press Ctrl+V and your screen shot image is ready.