In most cases it's enough to put them into a texture search path or /tex subdir - but not for this scene
Sometimes you can use the free plugin Smart TexPath to replace directories - but not for this scene
Sometimes you have to replace it by script or manually - but there are some jpegs missing in this download... (ivy displacement, water displacement)
Still it's a nice model.
Seems to be a c4d version of:
DAZ 3D - The Streets Of Asia