How to use the new Features named Multi-user editing?

How to use the new Features named Multi-user editing?

https://docs.unrealengine.com/en-us/Editor/MultiUser/MultiUserGS

Seems to be a quite okay description on what to do, or do you already have more specific problems in getting it to work?

actually i had a doubt… can we use it for a distant wireless
network??

I have followed that tutorial, and attempted to contact support.

Is there caveats to this, such as free license vs …?

The issue is that after the host configures and sets up the server, when the client (not on the same network) tries to connect, the host is never found.