(It might conflict with other full script mods though.) Important thing is to have all players the same set of mods/EPs. It’s a full script mod packaged with a server application that should be run on one of the PCs participating in the game.
See what the others are doing, interact with them, and have fun together! With The Sims 4 Multiplayer Mod, you can play The Sims 4 real-time over the network and “live together” with other players in the same household.