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

The Platform SDK provides documentation, sample code, tools, header files, and libraries for a variety of APIs used to create Windows-based applications.
For a list of APIs covered by the Platform SDK, see Contents of the Platform SDK.

Q Where can I find the Platform SDK documentation online?
The Platform SDK documentation is available online on the MSDN site: http://msdn.microsoft.com/platformsdk.

Q Where can I find support for the Platform SDK?
The following are support options:

To build the Platform SDK samples, you need either Microsoft Visual Studio .NET or Microsoft Visual Studio 2003. For more information, see Microsoft Visual Studio

Q Where can I find licensing and copyright information?
For information on Microsoft product licensing and how to obtain additional licenses, click here.
For permission, copyright, and trademark information, click here.

Q Are the 64 Bit build environments still pre-release?
No. The 64-bit build environments are not pre-release. This is a known issue. When you run the custom install and select the build environments individually - the set-up screen incorrectly displays the description of "*pre-release*. This is not correct. Once installed your build environment short-cut will not be labeled pre-release. This a full retail release as per the EULA.

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 February 2016.

No files found

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.

• Hard Disk Space. Choose a disk drive with a minimum of 1 GB of free space.


• High-Speed Internet Connection. If your connection speed is 56 Kbps or less, it is best to purchase the low-cost SDK CD (US/Canada or International) or install the Web Download.


• Development Tools. To build the C/C++ samples, you must have a C/C++ compiler. If you are using Microsoft Visual C/C++®, run it at least once before installing the SDK. This will ensure that the environment variables are correctly configured. To build the Visual Basic samples, you must have Microsoft Visual Basic®.

• To run the installation program over the Internet, choose to download the Platform SDK for Windows Server 2003 SP1 Web Install. The installation program will install the components you select.


• To download the Platform SDK in 25-MB packages and run the installation program locally, choose Platform SDK for Windows Server 2003 SP1 Web Download. The installation program will install the components you select.


• To download images that you can burn to a CD, choose Platform SDK for Windows Server 2003 SP1 ISO Image Download.