Microsoft will soon be adding more fluent design elements to the Windows UI. Some of these include a redesigned file explorer that seems to be inspired by the Linux KDE interface, a start menu that does not rely on live tiles that much and new contextual menus featuring additional commands.
https://www.notebookcheck.net/Redesigned-Windows-10-file-explorer-and-start-menu-teased-by-Panos-Panay.458603.0.html