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Check If Your PC Can Run a Game or Not ?

System requirements Lab technologies enable you to test your system specs against the minimum and recommended requirements of any of the popular games. Just choose the particular game you wanna check and hit can you run it button, the website will download a small javascript and after analyzing your system requirements against minimum and recommended requirements of that game, will show the results on whether you will be able to enjoy that game or play that game at all with the PC you have got.

Even if you fail the test of the game of your choice, Can you Run it ? returns few hardware recommendations for you to tweak your PC to run the games of that particular game. So it’s a win win situation and it’s free.
Thanks @ LifeHacker