https://www.bleepingcomputer.com/news/microsoft/windows-10x-to-feature-faster-updates-win32-apps-support/

Windows 10X is a new flavor of Windows 10 designed for dual-screen devices such as Microsoft's own Surface Neo. Windows 10X is arriving later this year, but we've already gotten a closer look at the new OS, thanks to Microsoft's emulator and leaked documents.

On February 11, Microsoft revealed much more about Windows 10X, including what’s under the hood and how it'll run Win32 desktop apps.