Latest DirectX headers are now in Windows SDK:

• http://msdn.microsoft.com/en-gb/library/windows/desktop/ee663275.aspx
• https://blogs.msdn.microsoft.com/chuckw/2015/08/05/where-is-the-directx-sdk-2015-edition/

Last standalone DirectX SDK: Jun 2010

• http://www.microsoft.com/en-gb/download/details.aspx?id=6812

Last to include D3D8 headers and libraries: August 2007

• https://www.microsoft.com/en-gb/download/details.aspx?id=13287

Older versions are only available from My Visual Studio portal:

• https://blogs.msdn.microsoft.com/chuckw/2012/08/21/directx-sdks-of-a-certain-age/
• https://my.visualstudio.com/Downloads?pid=497

Last to include D3DX and D3DX8 library: October 2004