A “sync garmin” search should include this hit –
Sync to/from? Garmin Connect - Support - Xert Community Forum (xertonline.com)
Lot’s of newbie tips here – Beginner questions - Support - Xert Community Forum (xertonline.com)
New YT intro series (more due out in next few months) – Mastering Xert - Discover Your Fitness - YouTube
Xert is a dual device platform. Your phone runs the EBC app. XO (xertonline.com) does the rest in a browser window best experienced on a PC, laptop. or tablet. In combo the two power the Remote Player or Session Player (solo or group sessions).
Welcome aboard. Enjoy the ride.