DirectX Software Development Kit (AUG 2006)

http://www.microsoft.com/downloads/details.aspx?FamilyId=C72D9F1E-53F3-4747-8490-6801D8E8B4EF&displaylang=en

This DirectX SDK release contains updates to tools, utilities, samples, documentation, and runtime debug files for x64 and x86 platforms. This release also include a public pre-release Direct3D 10.