Microsoft used to have one as well (600-odd pages or so). The current one is more like $randomFrameworkDocs where they have a short page with a screenshot for a few UWP components / patterns. Before that one they had something similar for Aero, but neither is a real HIG, they're just describing components. I can't find the old one, maybe they removed it because it shames their newer products.
Documentation used to explain the philosophy and system behind the thinking.
My old HP Deskjet 500C came with a thin book(let) titled "How to Use Color". It tells all the basics and then some for effective color documents and presentations. I hold on to it like it's gonna save my life. It's that good.
