Importing free 3d models into unreal engine

First of all i’m sorry, i’m pretty sure lots of you have probably seen this question a million times.

So, there are lots of sites where you can download 3d models, usually in .3ds. I’m a pretty dumb beginner and literally have no idea how i can import those models. Can someone throw some hints at me?
I tried this model:
I opened it in blender and exported as a fbx but i have no idea how i could apply the textures. Also when i import it the parts of the house are separate (this might be intentional i don t know how things work here).
I’d be grateful if someone could help me to import this model and at the same time maintain to look the exact same like on the site.
Thanks in advance.