Microsoft is taking the next steps in its “One Windows” vision with an internal project called “Windows Core OS” that turns Windows 10 into a fully modular platform and lays foundations for the future of Windows.

from https://www.windowscentral.com/windows-core-os
https://www.windowscentral.com/sites/wpcentral.com/files/styles/larger/public/field/image/2017/05/cloudwallpaper.jpg?itok=Nv44TD1-