FebruaryPlatformSDK

From MoodleDocs

The February 2003 Platform SDK is no longer available as a regular download on Microsoft's site, however it is still available here:

Feb 2003 Platform SDK full download:

In order to run the install on x64 machines, use the MSI files directly inside setup\ (you just need to install CoreSDK-x86.msi for FreeTDS building).