Any purchased course can be accessed online from your Account's My Courses page. Here you can click the "Play" icon to Watch Now and stream online from any internet connection or click the "Download" icon to install the TrueFire 3: Desktop app (win/mac), TrueFire iOS app, Android app and Apple TV app. Once you have a TrueFire app installed, you can log in and download your purchased courses for full offline access.
You can also install a TrueFire app from www.truefire.com/apps
NOTE! Some older orders did not have instant download version available with the physical software disc. If you are looking to update a past purchase, please submit a support ticket.