[jacknick1996]

If you are looking to How To Update Garmin GPS device over your system, then you need to follow the below mentioned steps -
1. Visit the Garmin site
2. Search for downloading Garmin express software
3. Click on Garmin express to download it
4. Wait until the download gets completes
5. Install the software
6. Reboot the device
7. Connect the Garmin GPS device
8. Search for the updates
9. Download the updates
10. Install the updates
11. Eject the device
12. Reboot the device
The Garmin updates will get installed on your device. If in case you want expert help, contact with the customer support and help team of Garmin.