Unless you use Blender you don't get the textures as stand alone. So if you use a different product and are not familiar with Blender, you are expected to get Blender, and learn how to use it to be able to extract the textures.
I asked for the textures as a stand alone download, the maker ignored my request.
Don't waste your money unless you know Blender, or have enough time on your hands to learn it. If I had enough time on my hands, I would have made the models myself. Thanks for nothing.