The Garmin Nuvi is a global positioning system (GPS) that comes in several models ranging in affordability, size and features. Software updates are occasionally needed to ensure your GPS unit is functioning at its best performance. The Garmin WebUpdater software is available for free from the Garmin website.
Download and install the Garmin WebUpdater software. (See Resources.)
Connect the Garmin Nuvi device to your computer using the supplied USB cable.
Double-click the Garmin WebUpdater icon on your desktop.
Follow the onscreen prompts. WebUpdater will notify you of any updates.
Click "Confirm." WebUpdater will download the update and install it onto your Nuvi GPS.