https://wccftech.com/windows-10x-microsoft-new-os-for-folding-and-dual-screen-devices/

Concept: Jonas Daehnert / PhoneDesigner

Microsoft is holding its Surface event later today, unveiling several refreshes and hopefully some new devices. Several leaks have hinted at the company working on a dual-screen Surface device and a recent tweet by the popular tipster, Evan Blass, suggests that these devices will be powered by a new variant of Windows called Windows 10X.