When you get to the theater, you can walk directly up to the ticket attendant (i.e. ticket-taker) and scan the QR code associated with your Atom Ticket. If you purchased concessions, walk directly up to the concession counter where you see the Atom kiosk and scan your QR code to pick up your concessions.
If you can't access your QR code, please provide the ticket attendant with the phone number that was used to complete your order. The theater employee can access your order by Phone number, Ticket ID or Confirmation number.