Hi and thank you for your question. My name is ***** ***** I will be happy to assist you.
To update your Garmin, you will need software called Garmin Express. You can download it by clicking here.
Once you have it downloaded and installed. Connect your Garmin device to your computer and turn it on. Once it is on and connected to the computer, run the Garmin Express software. Follow the on screen prompts to add your device. Once added, select your device and on the following page, the software will check for updates in regards ***** ***** device. If there are updates available, you will be prompted to install them.
If you have any questions along the way, please let me know. I will be on standby to assist you as needed.