By the way, just letting you know that you can chat and get help from Triadian and other Clickers in the Clickteam Discord server. Triadian is pretty active there.
How do I apply the normal map on a plane on top of a texture?
texture 1 = your colourmap (aka diffuse)
texture 2 = your normal map (aka that bluey purple one)
tick add tangents option a bit further down
assign the material to your model like normal using right mouse Load Material menu option