I forgot Blender Render and Cycles Render texture things differently. If you're using Cycles, do the above, but under each surface select Use Nodes. Set the Surface to Diffuse BSDF > click the little ball/dot to the right of Color and set it to Image Texture. Now, since you did the obj/mtl/textures in a single folder, you can click the little picture icon and select the right texture map.

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Daz, Blender, Affinity, Substance, Unity, Python, C#