If you are having issues being able to launch a game due that you do meet the requirments but the game don't like your hardwear i.e. onboard grapics card then here is a great program you can download that can "trick" your game into letting you play it.

free download
3D Analyzer and you need RarZilla also free to unzip the download.

I have a onborad grapics card and my game don't like it even though it is above and beyond whats required. I just launch the game with the analyzer and them I'm golden.