In this session, Epic Games’ Architectural Visualization Designer Fabrice Bourrelly shows viewers attendees how to create interactive archviz walkthroughs in Unreal Engine, straight out of the box.
https://dev.epicgames.com/community/learning/talks-and-demos/VYq/creating-interactive-archviz-walkthroughs-in-less-than-an-hour-unreal-fest-online-2020