Your first step to activating team style registration is to select "Team Admin" in the advanced features tap. Once you check that box, it will populate on the left side bar.
Once you see "Team Admin" on the left side bar, you are all set to go! Team style registration will activate immediately.
To view your updated registration page, just select "Form Preview" on the left side bar. You'll notice participants now have three options to register (create a team, join a team, and as an individual.
