To upgrade your computer video card drivers for free, you will first right-click on My Computer. Secondly, select properties and then click on the device manager tab. Next, click on the plus sign on to the left of display adapters where the name of the drive will appear. Open the drivers' manufacturer website, click on the link on your video card and download the file. You can read more on, http://www.ehow.com/how_5572_upgrade-drivers-video.html.