See also: Which version of DirectX is on your PC? | Microsoft Support How to install the latest version of DirectX | Microsoft Support This tutorial will show you how to check which version of DirectX is installed in Windows 7, Windows 8, and Windows 10. Here's How: 1 Press the Win + R keys to open Run, type dxdiag into Run, and click/tap on OK to open the DirectX Diagnostic Tool. The DxDiag ...