Garmin express is an application designed to manage Garmin devices. It is used for device registration, map updates and software updates, syncing Fitness data with Garmin Connect, and much more.Garmin offers an array of products for all types of athletes including GPS sport watches, smartwatches, and fitness trackers.Running, walking, cycling, swimming, skiing, triathlons – no matter how you move, you can record your active lifestyle on Garmin.