Alternatively you can get the ROM as well as the detailed tutorial for flashing it by registering yourself in the microsoft insider program. By registering you will also become an important part of Mi and Microsoft community, and your feedback will direct Microsoft engineer, you will be a part for creating Windows system for tomorrow! So What are you waiting for? Click Here to Join the Microsoft Insider program At any stage if you want to come back to MIUI, you can easily return By reflashing the MIUI. Please watch the following personally recorded video from Microsoft senior leaders.
This ROM currently supports only LTE version
There may be some unpredicted bugs still, think twice before you flash, thanks!