Unity's new UI is here! This series is all you need to get up and running with the system quickly! The first part (which is available for free) goes over the core concepts of the new UI system; while the second part shows the creation of an entire game using the new UI for all of its visual aspects!
This series is the best way to get up and running on the proper use of the New UI! Make no mistake, you need to think very differently about how to construct your user interface with this new system. This series explains the paradigm change in great detail - and by the time it is over, you will have the knowledge to create your own game UIs!