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

The Windows SDK for Windows 7 and .NET Framework 3.5 SP1 provides the documentation, samples, header files, libraries, and tools (including C++ compilers) that you need to develop applications to run on Windows 7 and the .NET Framework 3.5 SP1. To build and run .NET Framework applications, you must have the corresponding version of the .NET Framework installed. This SDK is compatible with Visual Studio® 2008, including Visual Studio Express Editions, which are available free of charge.
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 Getting Started section in the documentation.

Files

Status: Deleted This download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to January 2018.

Files
GRMSDKIAI_EN_DVD.iso SHA1: ae454215585a044ebe593e9f71ff1a4bc03d56a8 Size: 1.43 GB
GRMSDKX_EN_DVD.iso SHA1: 3393c98b8468cb3505557854922707510f8b65e1 Size: 1.43 GB
GRMSDK_EN_DVD.iso SHA1: 8695f5e6810d84153181695da78850988a923f4e Size: 1.43 GB

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.

Windows 7; Windows Server 2003; Windows Server 2008; Windows Vista; Windows XPHard disk space - choose a disk drive with a minimum of 2.5 GB of free space. We highly recommend that you have your machine fully patched through Microsoft Update before beginning setup. The .NET Framework 3.5 SP1 tools and samples contained in this SDK require installation of the .NET Framework 3.5 SP1 which is available with Visual Studio 2008 or a standalone install of the .NET Framework 3.5 SP1.

The Windows SDK is available as a DVD ISO image file so that you can burn your own DVD. If you do not need to burn a DVD the SDK is also available via web setup. To verify that you are downloading the correct ISO file, please refer to the table below to select a file to download based upon your chip type. Additionally, you can use the CRC and SHA1 to validate that the file you've downloaded is the correct file.
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File Name: GRMSDK_EN_DVD.iso
Chip: X86
CRC#: 0xCA4FE79D
SHA1: 0x8695F5E6810D84153181695DA78850988A923F4E
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File Name: GRMSDKX_EN_DVD.iso
Chip: AMD64
CRC#: 0xB417A4F7
SHA1: 0x3393C98B8468CB3505557854922707510F8B65E1
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File Name: GRMSDKIAI_EN_DVD.iso
Chip: Itanium
CRC#: 0x5E0E4BEA
SHA1: 0xAE454215585A044EBE593E9F71FF1A4BC03D56A8
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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.