Installing drivers - macOS Sierra on Zotac Magnus EN1080

So, after a lot of trial and error, I managed to install Sierra on my Zotac, and it works fine, except for the internet.

I have no idea about:
- how to install drivers
- which drivers I should install
- how MultiBeast works after the first installation

In particular:
- what do I need to install drivers/kexts? I tried KextBeast but doesn't seem to work...
- there isn't a lot of info about the hardware I'm using, so is there any generic drive that I can use?
- if I use MultiBeast to install...

Installing drivers - macOS Sierra on Zotac Magnus EN1080