How to take screenshot of screen without using any software?

If you are using previous versions of windows like windows xp or vista ,taking screenshot of the screen is not that easy.You may also have to download  high data softwares for doing so.So here is the trick to do this without using any software with a trick.

• Press print screen sysrq which is next to F12 button .
• Then go to ms word and press CTRL+V 
• Now you can see the screen shot on msword 
• Save it.