DirectX is an integral part of Windows operating systems. Update DirectX by applying the latest service pack or other updates through Windows Update in the Control Panel. Click the Start button, click All Programs, and then click Windows Update. Click the Check for updates link, and then click Install now.Continue Reading
Click the Start button.
Click All Programs.
Click Windows Update.
Click the Check for updates link. If a newer version of DirectX exists, it will be detected and included in the list of updates available for download and installation.
Click Install now to run the updates.