DirectX is included as an integrated part of the Windows operating system. The version of DirectX that is loaded on your PC depends on your version of Windows
- Windows XP SP3 : DirectX 9.0c
- Windows Vista : DirectX 10.0
- Windows Vista SP 1 or greater : DirectX 10.1
- Windows 7 & Windows 8 : DirectX 11.0
To update your version of DirectX, you must update your Windows installation by applying the latest service pack and other updates through Windows Update.
Note: To be able to download the DirectX run-time component, your system must be able to be authenticated as a Genuine Advantage installation