Select TRAIN to access the on-demand workouts and book classes. You will be prompted to find your closest F45 studio. Once you select a studio, your information will be sent to their team. You can also sign up for a trial through the app which will immediately give you access to the on-demand workouts. The F45 studio will contact you to ask if you would be interested in an F45 membership. NOTE: F45 Members get access to the full F45 Challenge App for free.