In order to manually update your driver, follow the steps below (the next steps):

1. Extract ... device you wish to update and choose Update Driver Software
4. Choose to select the location of the new driver manually and browse to the folder where you extracted the driver
5. If you already have the driver installed and want to update to a newer ... "Let me pick from a list of device drivers on my computer"
6. Click "Have Disk"
7. Browse to the folder where you extracted the driver and click Ok  

About Graphics Drivers:

While installing the graphics driver allows the system to properly recognize the chipset and the card manufacturer, updating the video driver can bring about various changes.

... update the GPU on their own and with minimum risks (however, check to see if this download ... >/
That being said, download the driver, apply it on your system, and enjoy your newly updated graphics card. Moreover, check with our website as often as possible in order to stay up to speed with the latest releases.