Friday, December 30, 2016

64 bit - Installing Windows x64 on 32-bit UEFI (EFI-IA32) via GRUB

I am attempting to install Windows 10 x64 (64-bit) on a device that only has 32-bit UEFI (for the moment)


Since x64 Linux can be booted via a custom 32-bit GRUB.. I assume it could also do the same for windows, but "how to use grub to bypass a 32bit uefi to boot windows 10 x64" seems to indicate otherwise, though the explanation given does not completely explain why (to me at least).


I believe GRUB's 32-bit EFI SHOULD be able to load Window's 64-bit EFI.


Alternatively, is it possible to use grub's newish 'ntldr-mod' to run windows x64 install bootmgr? (howto start WINDOWS OS installation on hard disk with grub2)


This question will likely evolve based on the answers.


Answers/Comments regarding WHY will be flagged as off-topic. All i'm interested in is HOW. If your answer is 'not possible', PLEASE provide more info.


'Architectures must match' is not a valid answer.


reference links:


Possible to install 64-bit Windows on 32-bit UEFI?


Install Grub2 (with EFI-IA32 support) to the ESP partition from within Windows 8.1 (32-bit) - Bay Trail tablet


[Solved] Chainload Windows8 UEFI with Grub2-efi


Windows installed in UEFI-GPT Mode menu entry


Can't boot a 64bit Windows USB from a tablet originally installed with 32-bit OS


Installing Ubuntu 14.10 (64-bit) on a Windows 8 bay trail atom tablet


How do I repair grub2 (not) booting 32-bit EFI on a 64-bit machine?

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