Microsoft Windows SDK for Windows 7 and .NET Framework 3.5 SP1
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Instructions
For this release, the Windows SDK is available thru web setup or a
DVD ISO image file so that you can burn your own DVD.
Please note if you are running a 64-bit version of Windows and Visual Studio 2008, please upgrade to Visual Studio 2008 SP1 before installing the Windows 7 SDK. This prevents an issue where some platform configuration choices are unavailable in Visual Studio’s New Project Platform and New Solution Platform dialogs.