Hello, I have my door completed. I went to https://cc0textures.com/ for textures. They seem to have the colour, roughness, displacement, normal, and ambient occlusion available for their files. Of the 5, I am unsure how to attach Ambient Occlusion at this time. I used a wood and a stone texture for my door:
I forgot to post my chair set scene from one of the earlier lessons:
With that being said, In the latest Unreal this .TIF issue is no longer an issue. It simply works.