We checked in with the new Windows 10X build, and let's just say getting this ready for late 2020 will be a challenge

Emulated OS for Microsoft's upcoming Surface Neo has lots of rough edges

The new Windows 10X build, 19578, has been pushed to Microsoft's emulator with many updates - including a beta of a new File Manager and the ability to run on released (as opposed to Insider) builds of Windows 10, provided you have at least version 10.0.17763.0 (October 2018 update)."