3darchstuffs - https://3darchstuffs.com/
Download the free Demo EXE of this project from my our site https://3darchstuffs.com/ you can also purchase the scene from the site if you wish.
Visit https://3darchstuffs.com/ for more unreal arch-viz tutorials, Demo EXE and Unreal projects with source files.
https://3darchstuffs.com/collections/ue4-projects/products/livingroom_interior
https://3darchstuffs.com/collections/demoss-collection/products/living-room-interior-ue4-demo