使用说明：
在Windows 7 SP1和Windows Server 2008 R2 SP1下改进功能，包括：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.
系统需求：
Windows 7 Service Pack 1, Windows Server 2008 R2 SP1
Windows 7 SP1 and Windows Server 2008 R2 SP1