Bysong,
You have more options available to you regarding customizing your package when you use Windows > Project Launcher > Custom Launch Profile. So you can implement patches, DLC content and more.
- [Unreal Engine 4 Documentation: Packaging Projects][1]
- [Unreal Engine 4 Documentation: Unreal Frontend][2]
Packaging Unreal Engine Projects | Unreal Engine 5.1 Documentation
[2]: Using the Unreal Frontend Tool | Unreal Engine 5.1 Documentation