DirectX

DirectX 9.0c June 2010

Microsoft DirectX is a collection of application programming interfaces for handling tasks related to multimedia, especially game programming and video, on Microsoft platforms. 

How to check DirectX version?

Using "dxdiag"

In Windows 8:

Click "Win + R" to open the Run dialog box

Type: dxdiag, and press enter, look for Direct X version line in dialog that opens

In Windows 7, Vista and XP:

Click "Start" button and click "Run"

Type: dxdiag, and press enter, look for Direct X version line in dialog that opens

Click LIKE to Download Offline Setup

enjoy :)