Formats inside the zip folder that you will receive: .fbx, .3ds, .obj, .c4d
This is a great Urban Building for your war scene and optimized for Unity.
This is functional building that you can enter and explore I have also included a project file where you can change windows as you please.
You may change texture also to fit your scene.
In sketchfab.com decals are not displaying correctly but in real render they are