That's because MS effectively abandoned Windows as a revenue generator, in order to become a cloud vendor. Windows exists just to give you a way to consume or develop web-apps that run in Azure. Office exists to get you to use Office365, again generating cloud-based revenue.

Commercially, it works. Unfortunately, it's slowly killing the desktop computing experience. Unlike Apple, they don't even have a real interest in shifting hardware, so they can happily treat the desktop market like dirt.

It's weird, seeing MS effectively strangling their own baby, but I guess Wall Street is happy.