The process is a journey into Windows history. While it requires patience—hunting down UUP files, running command-line scripts, and tweaking BIOS settings—the reward is a pristine, lightweight, and unique version of Windows 10 that you will not find anywhere else.

Despite its novelty, Build 15035 is widely considered unsuitable for daily use. It is a pre-release build with several persistent bugs: Office 2013 RT Media Builder | Windows RT Devices GitBook

With your custom USB drive ready, you can proceed with the installation on your ARM device:

I navigated through the murky waters of archived tech forums, past the broken links and dead ends, until I found it: .

. Because Microsoft officially abandoned ARMv7 devices like the Surface RT after Windows RT 8.1, this build is used as an unofficial upgrade

Breathing New Life into Abandoned Hardware: Windows 10 Build 15035 Media Builder Install Guide

Windows 10 Build 15035 is ARM32 (ARMv7) development build of the Creators Update that is primarily used as an unofficial upgrade for older Windows RT

Format the target drive partition and select it as the installation destination. Let the setup copy files and restart. Critical Post-Installation Adjustments

The tool is not pinned to Start by default. Access via:

via specialized community tools rather than the standard Microsoft Media Creation Tool. Prerequisites & Tooling

Once you have chosen the installation media, the Media Builder tool will create it for you: