Neha Patil (Editor)

Microsoft Windows SDK

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Developer(s)  Microsoft Corporation
Type  API
Stable release  10 / November 30, 2015
License  Various
Operating system  Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, Windows 8, Windows 10
Website  Windows SDK Developer Center on MSDN

Microsoft Windows SDK, and its predecessors Platform SDK, and .NET Framework SDK, are software development kits (SDKs) from Microsoft that contain documentation, header files, libraries, samples and tools required to develop applications for Microsoft Windows and .NET Framework. Platform SDK specializes in developing applications for Windows 2000, XP and Windows Server 2003. .NET Framework SDK is dedicated to developing applications for .NET Framework 1.1 and .NET Framework 2.0. Windows SDK is the successor of the two and supports developing applications for Windows XP and later, as well as .NET Framework 3.0 and later.



Platform SDK is the successor of the original Microsoft Windows SDK for Windows 3.1x and Microsoft Win32 SDK for Windows 9x. It was released in 1999 and is the oldest SDK. Platform SDK contains compilers, tools, documentations, header files, libraries and samples needed for software development on IA-32, x64 and IA-64 CPU architectures. .NET Framework SDK however, came to being with .NET Framework. Starting with Windows Vista, the Platform SDK, .NET Framework SDK, Tablet PC SDK and Windows Media SDK are replaced by a new unified kit called Windows SDK. However, the .NET Framework 1.1 SDK is not included since the .NET Framework 1.1 does not ship with Windows Vista. (Windows Media Center SDK for Windows Vista ships separately.) DirectX SDK was merged into Windows SDK with the release of Windows 8.

Windows SDK allows the user to specify the components to be installed and where to install them. It integrates with Visual Studio, so that multiple copies of the components that both have are not installed; however, there are compatibility caveats if either of the two is not from the same era. Information shown can be filtered by content, such as showing only new Windows Vista content, only .NET Framework content, or showing content for a specific language or technology.

Windows SDKs available for free; they were once available on Microsoft Download Center but were moved to MSDN on 2012.

A developer might want to use an older SDK for a particular reason. For example, the Windows Server 2003 Platform SDK released in February 2003 was the last SDK to provide full support of Visual Studio 6.0. Some older PSDK versions can still be downloaded from the Microsoft Download center; others can be ordered on CD/DVD.


The Windows SDK documentation includes manuals documenting:

  • Desktop app development with Windows API and managed code
  • Metro-style app development using Windows Runtime and Universal Windows Platform
  • Web app development using ASP.NET, HTML, CSS and JavaScript
  • Language-related topics for C++, C#, Visual Basic.NET, F#, JavaScript, CSS and HTML, such as syntax and conventions (Windows PowerShell language is not covered.)
  • References

    Microsoft Windows SDK Wikipedia

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