I need help with the script using LibreELEC in a Raspberry Pi 3 B+

Hello there, i have a raspberry pi 3 b+ using the libreELEC distro in a USB memory

It works, but i cannot find a way to make the script to work for my Argon One case

Is the model for the Pi 3 b+, not the model for Pi 4

I need help to install the script to be able to turn on the fans and control power button

I tried this script using Retropie and it works (only on retropie, not on libreELEC)
Script: curl https://download.argon40.com/argonone-setup-osmc.sh | bash

Please help me, my pi runs way too hot and i need the fans to be on