Hit the “CONVERT NEGATIVES” button you see there in your screen. Then it will convert the negative and bring you to the “EDIT” tab automatically. There you will see options for color balance, including a number of auto color options.
See this post for more details on what changed with version 2.0 and auto color https://forums.negativelabpro.com/t/introducing-negative-lab-pro-v2-0/256
I still need to update the videos on the main page.
-Nate
Creator of Negative Lab Pro