How to Run DirectX 9 on Vista
- 1). Download DirectX 9. Click "Download Latest Version" located on the right-side of the page.
- 2). Click "Run" in the pop-up window that appears after you click "Download."
- 3). Open the video game or application that required DirectX 9. For example, if you are playing a video game that you previously installed, click "Start," "Programs" and click on the video game title to run the program.
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