The Windows SDK includes documentation, samples, and tools designed to help you develop Windows applications and libraries using both Win32® and .NET Framework 3.0 technologies targeting Windows Vista.
The Windows SDK includes content for application development with the APIs in Windows Vista, including the .NET Framework 3.0 technologies: .NET Framework 2.0, Windows® Presentation Foundation, Windows® Communication Foundation, Windows® Workflow Foundation, and Windows CardSpace™. This SDK is designed for use with Windows Vista (which includes Framework 3.0). The Windows SDK for Vista also supports creating applications for Windows XP, Windows Server® 2003 SP1, and Windows Server 2003 R2. Continue for more info and download….