Garmin Express is software that helps you update these products, except for Palm and Pocket PC devices, fixed-mount marine devices, chart plotter, fishfinder device software. It also helps you to update some other discontinued devices which are no longer supported by the company. Such applications only update the unit software. This application helps you to update the device directly through the computer by downloading the Garmin Express application or software. In this, we will not have to go to internet browser to update apps related to Garmin Express. It is a tool created by Garmin to update products in Windows and Mac. To use Garmin Express the user needs to download Garmin Express to an external drive and install it and then connect the device to the computer and run it. Garmin Express Updates most products. It does not update beta. Garmin Express is generally compatible with Microsoft Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista and Windows XP and for Mac, the computer version must be OS 10.5 or later. Garmin Express Garmin helps the user to update their device quickly and without any need of internet browser.So check whether your internet connection is working or not and, if not then contact your Garmin express support and get it fixed. The experts also suggest different ways to secure and protect the Garmin device.