This is a simple material setup for using CC0 Textures in Blender. It works for materials that do not have a metalness or opacity map.
Please make sure that you understand the difference between normal map styles. If you are unsure you can read the article here:
If you need to include the opacity (mask) and the metalness map the setup looks like this:
If you want to use microdisplacement you need to set it up like this:
Make sure to enable the following settings to actually see an effect:
In the Render Properties switch the Feature Set to “Experimental”
Add a Subdivision Surface modifier to the object and set the checkbox for “Adaptive”
In the Material Properties go to Settings → Surface and switch the Displacement to “Displacement Only”