It would be ok if you could string a sentence that made sense.
In any case, you have made two posts on the subject.
As for your first post, you need to find out what brand of graphics card you are using.
Ati,Nvida, or Intel are the most common ones. to get the driver for your card it is a simple case of going to the website of the graphics card in the pc. To install a new driver version for it.
Post your full computer specs, your gaming requirements(resolution & level of detail at which you want to play the games etc) and your budget, so that members can suggest the appropriate card for you, which you can buy and install it in your PC