DirectX is a collection of application programming interfaces (APIs) developed by Microsoft for handling tasks related to multimedia, especially game programming and video, on Microsoft platforms.DirectX can be used to access hardware functions such as 3D graphics, audio, and input devices. It is used by many games and other multimedia applications on Windows.
To check if DirectX is installed on your computer, you can use the DirectX Diagnostic Tool (DXDiag). Here’s how to do it: