Jun 11, - We'll show you how to get the newest map data for your Garmin Nuvi. downloads and about an hour of waiting for the 2GB of map data to download and install. are starting to offer devices with free lifetime map updates. Garmin's Nuvi W is a GPS navigation device that provides turn-by-turn These free updates can be received by downloading Garmin's WebUpdater application. Install the application on your computer when the download is complete by. Apr 13, - Get fast, easy, and often free, updates for your Garmin street, outdoor, you to download and install the Garmin Express map updater utility.Having bought a subscription, you can download this or other directories on our website. To download the file, click on the button below.