is there a way to download a better grafics card
A graphics card is a piece of hardware inside your computer system. It may be possible to buy a new, better one but this can be difficult to put into your laptop - precisely because it's a laptop.
If you can find the name of your graphics card, you may be able to find some updated drivers from the manufacturers website.
However, as Alexander says, most laptops are not designed for gaming. Mobile chipsets are notoriously unsupported by developers of games. Chances are that there's not a lot you can do without getting yourself a desktop computer.
