DirectX 11.1 for Windows 7 SP1 and Windows Server 2008 R2 SP1:


The Platform Update for Windows 7 enables improved features and performance on Windows 7 SP1 and Windows Server 2008 R2 SP1.
It includes updates to the following components:

Direct2D, DirectWrite, Direct3D, Windows Imaging Component (WIC),

Windows Advanced Rasterization Platform (WARP), Windows Animation Manager (WAM), XPS Document API ,
the H.264 Video Decoder and the JPEG XR Codec.