In this video we look at recombining Cycles passes from a multiEXR file as well as a couple of reasons why you might want to do this. We setup the various blend modes required create our beauty pass, but if you're in a hurry I have attached a node group that greatly speeds up the process. Here's a video on appending and using the node group: https://youtu.be/jp6JDByWaZk
Many thanks, Louis