Implementing multiplayer online?

I would like to play online with a friend of mine, but I don’t find any guide and I don’t know if it is possible using LAN-like networks or any other method.
Can anyone tell me if it is possible?
thank you very much.

but I don’t find any guide and I don’t
know if it is possible using LAN-like
networks or any other method.

Did you try YouTube?

https://www.youtube.com/results?search_query=ue4+multiplayer