A nice scene by Magdalena Dadela that will guide you through advanced material settings and lighting.
This is a Marmoset Toolbag 3 scene setup. You can open the scene and find out the material settings and lighting for yourself. The majority of textures are in 2k resolution.
Extract the ZIP file and double click on the scene file to open. All the textures should be linked and ready to roll.
These files are for educational purposes only and are not to be used for any commercial projects.