DirectX 11.1 and Windows 7 - Games for Windows and the DirectX SDK - Site Home - MSDN Blogs

Windows 8 includes an updated “DirectX 11.1 Runtime” that supports Direct3D 11.1, updates Direct2D and DirectWrite, DXGI 1.2, and a revision of the Windows Imaging Component (WIC). Portions of the “DirectX 11.1 Runtime” are being made available on Windows

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