HELP NEEDED

Recently I came across a person who was looking for a way to roll back from windows 10 mobile to windows 8 mobile
I said I would help so that is why this is here.
I need to build a version of Windows 8.1 mobile that allows installation on a Win 10 device

XDA:DevDB Information
W10 TO W8.1, ROM for the Microsoft Lumia 950/950 XL

Contributors
NUCLEARSHEEPD0G
ROM OS Version: Windows 8 Mobile
ROM Kernel: Windows Kernel 1
Based On: stock

Version Information
Status: Testing

Created 2016-05-30
Last Updated 2016-05-30

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