DirectX
As of version 20.0, Presentation requires DirectX 11 on your system. DirectX 11 will be included in your Windows install for Windows 7 and higher. More information can be found
via MicrosoftPrior to version 20.0, Presentation required that a specific version of DirectX (9.0c) be installed on your system.
You can download and install the DirectX End-User Runtime to use Presentation:
http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=8109The installer will unzip the contents but not run them. You will need to run DXSETUP.exe after it is unzipped.
Notes:
You can install multiple versions of DirectX on your system.
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