In the past, it was super easy to find a block diagram illustrating that architecture on the Web. For Windows 10, I can't find anything. I've found subsystem diagrams, Windows 7 or earlier ...

MacCormack, Alan, and Daniel J. Sturtevant. "Technical Debt and System Architecture: The Impact of Coupling on Defect-related Activity." Journal of Systems and Software 120 (October 2016): 170–182.