What is step 1?

I would start with personal learning - you have to put your hands on it and see how it works and what the limitations are - and then you have a good picture. The Copilot Rapid Adoption guide is a great beginner tutorial -- https://aka.ms/Copilot/RapidAdoptionGuide

When I work with teams, I ask people to think about the points of pain around a writing task -- what writing task is a time suck or painful?  Then introduce the basics of prompting to write a draft of something or improve a draft they wrote.