In this tutorial I will introduce the users to the UEFN Editor, manage and bring in content, editing in the live edit mode as well as give a brief intro to the Landscape tool. This tutorial is primarily going to focus on UEFN so a basic understanding of the Unreal Engine Editor is required.
https://dev.epicgames.com/community/learning/tutorials/MPaW/unreal-engine-fortnite-introduction-to-uefn