In order to enhance the performance of a computer, especially the audio and the video for certain applications such as high-end PC games, DirectX is required. DirectX comes as a part of the operating system and it is easy to
determine the version of DirectX is which is installed on Windows. One simple command will provide all the information related to the
installed version of DirectX. Run the command on the command line to
determine the version of the DirectX which is installed on Windows. If the OS is Windows Vista, the
latest Directx10 for Vista should be installed, for better audio- video performance while playing games.
[Windows] Determine what version of DirectX is installed
What is DirectX?
DirectX is a set of drivers providing many functions. Its main aim is to share features of different drivers by providing a single interface for developers, including video games.
It represents an interface between drivers and programs that use it.
The drivers that includes DirectX are classified by category:
Direct3D: 3D Graphics accelerator
DirectDraw: 2D graphics accelerator (vector drawings)
DirectVideo: video accelerator
DirectSound: soundcards
DirectInput: Steering game controllers (joystick, joypad etc.)
DirectPlay: data management through network (for network play)
With each new version of DirectX, new drivers are added, and new groups of functions.
Detect the installed version
To find out what version of DirectX is installed on your system, click on Start, then Run and type the following command:
dxdiag
DirectX
DirectX SDK
DirectX 9 download for Windows 98/Me/2000/XP
Directx 10 for Vista
Direct X 10 is the latest version and has very good PC audio/video performance. Most new games require DirectX 10 for a more detailed graphic experience and enhanced level of realism. It is only available for Windows Vista
Download:
DirectX Vista
See also
Knowledge communities.
Published by
deri58 -
Latest update by Paul Berentzen 
