An updated map will lead you to your destination without being stuck anywhere. Garmin offers its customers to download free map updates. Many Garmin models having LMT, LM, and LT in their model number are eligible for free updates. Users can also purchase Garmin updates for a lifetime.Users can also access Garmin Updates Free of cost within 90 days of its purchase. Connect your Garmin GPS with your computer system and visit the Garmin map update page. Download and install the map updater software and start updating your device.