Legacy Update: Get back online, activate, and install updates on your legacy Windows PC

The Windows SDK provides tools, compilers, headers, libraries, code samples, and a new help system that developers can use to create applications that run on Microsoft Windows.

• The Windows SDK provides tools, compilers, headers, libraries, code samples, and a new help system that developers can use to create applications that run on Microsoft Windows. You can use the Windows SDK to write applications using the native (Win32/COM) or managed (.NET Framework) programming model.
  
  Please see the Release Notes for the full list of supported platforms, compilers, and Visual Studio versions and any late breaking issues. For detailed information about the content in this SDK, including a description of new content, please see the Welcome to the Windows SDK section in the documentation.

Files

Status: Live This download is still available on microsoft.com. The downloads below will come directly from the Microsoft Download Center.

File	Size
winsdk_web.exe SHA1: a8717ebb20a69c7efa85232bcb9899b8b07f98cf	475 KB

File sizes and hashes are retrieved from the Wayback Machine’s indexes. They may not match the latest versions of files hosted on Microsoft servers.

• • Platform architecture: Install this SDK on and/or create applications for platform chipsets X86, X64, and Itanium.
  • .NET Framework: Create applications that target .NET Framework versions 2.0, 3.0, 3.5, 4.
  • Visual Studio: Use the resources in this SDK with Visual Studio versions 2005, 2008, and 2010, including Express editions (Not all features work with all versions of Visual Studio. For example, you cannot use the .NET 4 tools with Visual Studio 2008.)

• For this release, the Windows SDK is available thru a web setup (this page) that enables you to selectively download and install individual SDK components or a via an ISO image file so that you can burn your own DVD.