How to Check Your Video Card Driver Version
Video cards are written in low level languages to allow more room in the memory to be used for handling the graphic's necessities. A driver is a program the acts as an interpreter between the high-end graphics high-level programming code and the video card's low-level language. These drivers are being upgraded constantly to meet the needs of the growing technological industry. The manufacturer applies a new version number with each upgrade so that they know which edition has had what changes.
Click the "Start" button located on the taskbar.
Select "Control Panel."
Click "System" if you running Windows XP. Click "System and Maintenance" and select "System" if you are a Windows 7 or Vista user.
Click "Device Manager."
Click the "Display adapters" expand box.
Double-click the video card icon displayed.
Select the "Driver" tab. The version of the video card installed on your computer is noted in the Driver Version section of the window.