Application software designed for GPS devices to take control over these devices. Garmin Express act as a dashboard to manage GPS devices and their updates. Update are generally launch in every 5-6 months by Garmin and for keep its devices updated Garmin provide application software Garmin Express. Garmin Express also keep you alert about any update required at any of your Garmin devices. To access Garmin devices, you need to download Garmin Express first.