Learn how to create your first multiplayer game, even if you have zero game development or programming experience.
This step-by-step tutorial walks you through the entire process, from downloading Unreal Engine and setting up your project to configuring multiplayer, creating a main menu for hosting and joining games, building levels, setting up port forwarding, and testing multiplayer. Finally, you’ll learn how to package your game so you can send it to friends or prepare it for release on Steam.
https://dev.epicgames.com/community/learning/tutorials/WmoR/unreal-engine-fortnite-how-to-create-your-first-multiplayer-game-step-by-step-for-a-complete-beginner