Garmin Create devices that have inbuilt GPS featured. As it is software, and like any other software Garmin devices also need an update. The updates are like- Road maps used for navigation purposes, Charts that reflect your safe time underwater, Golf course locator that locates golf course near you, etc.
Garmin allows updates and provides complete support to update GPs Software. If you own one of Garmin devices than learn how you can update it. To update software in Garmin devices another software is used called Garmin Express.
Garmin Express is a computer application specially developed to update Garmin GPS devices. It allows you to update maps, Softwares, charts and Golf courses. However, To activate this app you need to install Garmin express in your computer system.