How to put another firmware on my new Mathew YG108 keyboard ?

So far I love it, it's the nicest keyboard I've ever had but how do I flash my new firmware ?

This page has the original firmware

https://www.mathewkb.com/china/yg108-firmware/

But I want to put QMK/ZMK/VIA/VIAL I don't know which one I want and I don't know how.

But I'm hoping I can do so without using the manufacturer's software ?

When I plug it in while usblogview is enable I get the following logs