To get access data and use your Garmin Map, you must have a Garmin Express application on your device. The Garmin Express helps the user in different ways and makes the device management easy including garmin.com/mapupdates. In this post, we will discuss how to get Garmin Express on your computer device and how to update your map using garmin.com/mapupdates. In addition, Garmin Express is a computer application available for the Mac and Windows.