A Garmin Sat NAV is a GPS (Global Positioning System) device that is frequently used in vehicles to direct drivers to particular destinations. The updated maps on the Sat NAV are displayed along with a real-time update of the vehicle's position. To update the software on your Sat NAV, simply access Garmin's website and connect your device to your computer with a USB connection cable.
Download Garmin's WebUpdater by visiting the website in the link below and selecting "Download." On the following page, choose your operating system and click "Download" to start the download.
Follow the on-screen prompts when the download is complete to install the WebUpdater to your computer.
Connect your Garmin Sat NAV to your computer using a USB connection cable.
Click the "Start" button on your computer desktop and select "Programs">"Garmin">"WebUpdater" to run the application.
Follow the on-screen prompts to load the most up-to-date software onto your Garmin Sat NAV.