How do I make a LAN server?

I have read the part but I can’t seem to find an instruction on how to make people be able to connect to my own server.

Does anyone know a simple way of setting up the whole LAN server and making people be able to connect to it?

Or am I reading something wrong?

Hi!

You need add networking features to your project and build dedicated server.

Dedicated server is not mandatory, it could be one of the players that host the game.