Garmin Express is an application designed for Windows and Mac devices that manages all Garmin devices. Garmin Express helps you with everything that you need for your Garmin device, from product registration to installing device updates, pre-loaded map updates, syncing data with Garmin Connect and a lot more. You cannot install Garmin.com/Express application on your mobile device or tablet. If you are using an outdated device and need to install the latest updates for your map or device, then Garmin Express can help you with all of it. Just install the application on your Windows or Mac device and leave everything else on it.