It says for example "Windows SDK for Windows 7 and .NET Framework 4", but if you look at the description:
Released in June 2010, this SDK provides Windows 7 headers, libraries, documentation, samples, and tools to develop applications for Windows 7, Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, and .NET Framework versions 2.0, 3.0, 3.5 SP1, and 4.0.