I only now how to set it for an individual, log in here, then go to Siign in and Security and enable 2step
https://accounts.intuit.com/index.html
I dont know how it works for your other users, do they have their own Intuit login account?
♪♫•*¨*•.¸¸♥Lisa♥¸¸.•*¨*•♫♪
