[vc_row][vc_column width=”1/2″][vc_column_text css_animation=”left-to-right”]How to Update Garmin Marine Software? First you will need a 2GB SD card & a Windows PC. Next, go to http://www8.garmin.com/support/software/marine.html You will have 3 options to pick from – GPSMAP, ECHOMAP, OTHER. Select your device and scroll down. Find the device you have on-board and download the bundle. This will download an .EXE File to your Downloads folder on your PC. Next,