Super stumped at rxtools installation

Hi, i have o3ds at firmware 4.5. I'm trying to upgrade my o3ds to 9.2 so I can use my gateway again.

first, I heard that I needed to install rxtools to get even started so I followed this guide (

to do so. I installed 2.6 with firmware.bin, rxTools.dat, and slot0x25keyx.bin on my SD root folder.

when I go to the https://dukesrg.github.io/?rxTools/sys/code.bin (since launch.rxtools.net is down)

I get an error message from 3DS and goes back to...

Super stumped at rxtools installation