Garmin Express is a desktop application and software that helps you update your maps, software updates, and comprehensive management of all Garmin devices. you can simply download it on your system via garmin.com/express. Also, It will help you to register as well as sync your new Garmin devices and store fitness data. Garmin is a company that produces gadgets/devices that employ the global positioning system for navigational assistance. These devices include hand-held GPS devices and Automotive devices.