No need to apologize
GTA4 is a rather modern game. Here are the minimum system requirements:
http://www.gta4.net/news/4135/recommended-pc-specifications-for-gta-4/
The intel integrated graphics very much under-perform their competitors right now. Even so, I wouldn't try to play GTA4 on integrated graphics.
If you have nothing to play GTA4 on right now and want to play it, you'd be looking to at least a $400 desktop machine, not including a monitor. Did you just want to play it on your laptop or are you stuck without something to play it on?