A Microsoft Windows graphics technology. Direct X is a software layer within the operating system, also called an Application Programming Interface or API.
Direct X gives graphics and sound cards direct access to the computers's hardware and so by-passes much of the overhead that Windows introduces. In practical terms Direct X allows advanced games to run as fast as possible.
There have been many generations of Direct X. The current one is DirectX 10. each one adds more capabilities than the one before.
With Windows games, you will often see stated on the box, what version of DirectX it needs to run.
Challenge see if you can find out one extra fact on this topic that we haven't already told you
Click on this link: DirectX