Purchasing Garmin maps will have the advantage of guiding you through unknown territories along with some other additional benefits. Once you buy the maps, it will be immediately available for download. That means you can buy the Garmin Map Updates when you want to travel to some unknown place. To know the cost of maps for a particular territory, connect your GPS to your computer, open the Garmin Express. Now go to the map updates available section, click See Pricing, choose your current location, click Continue. Now it will prompt you to log in to the account. Further, you will be able to see the price of the current map version. Click over it, pay the amount, and complete the installation.