DirectX 11 is the latest graphics technology for Windows. It will be implement on Windows 7 with support wide varieties of Windows games and graphic display devices. In addition to richer images in general, you'll see the best gaming graphics possible.After making DirectX 10 available for windows Vista, Microsoft has released DirectX 11with Direct3D 11 available for download as technical preview for public testing.
As Windows 7/Direct3D 11 Technical Preview is part of DirectX SDK and contains Technical Preview of Direct2D, DirectWrite, DXGI 1.1. Good news is, it is not only available as Technical Preview but also as DirectX End-User Runtimes.