RTUnlocker is a fork of MetroUnlocker that transforms it into a simple .bat file that lets you enable sideloading on Windows RT

Credits to Iemand005 for MetroUnlocker and Snoooopy for mirroring MetroUnlocker.

What you will need to do:

Download source code (in a .zip), and exctract its contains onto a USB drive. Then plug it in your Windows RT device, and run RTUnlocker.bat as a administrator. Once it opens, hit 1 to enable sideloading. It should take a couple of seconds, after it has enabled it, it will notify you and if you want to, you can hit L to see logs. Hit E to exit. If you have sideloading unlocked already and you want to get rid of it, hit 2. If you are not sure should you do it, just hit E to exit. (we suggest getting goldenkeys and yahallo with tegra jailbreak usb im not sure if it will work without it)

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If you went here by accident thinking this is for Windows 8, not RT, get regular MetroUnlocker here: Mirrored MetroUnlocker repo | Original MetroUnlocker repo

You can find other stuff here, like guides how to install Linux, Tegra Jailbreak USB and much more!: Windows RT Devices Gitbook | Open Surface RT