» Fri Dec 31, 2010 2:33 am
There you go (german version, just a example of how easy you can find this. You don't need this because you have W7:)
http://www.chip.de/downloads/DirectX_38663475.html
In W7, DX11 is already included afaik. So you can only download it for Vista. This explains why you could look for two weeks without finding anything for W7....