Installer experience

: This build is a "leaked development build" and is not suitable for daily use due to numerous bugs and its expired status.

Windows 10 Build 15035 is a leaked build of the Windows 10 Creators Update. It is primarily used as an unofficial upgrade for abandoned Surface RT and Surface 2 devices. Because this is not an official release, standard Microsoft tools cannot be used to install it; instead, enthusiasts use a community-developed Windows 10 Media Builder tool . Prerequisites A working Windows PC to run the media builder tool. USB Flash Drive: At least 8GB. Target Device: A Surface RT or Surface 2 tablet.

Before diving into the media builder process, let’s clarify what Build 15035 is—and isn’t.