Some Windows 10 concepts are really beautiful while some are comprehensively done and some are both beautiful and comprehensive. The Windows 10 re-design concept featured in the video below is really beautiful and covers most of the important parts of Windows 10 UI/UX.
Some of touches are simply awesome like hover-over to reveal more info and the launch concept inspired by Windows 10X. The overall design feeling can work as a design goal for Microsoft designers.
