Ensuring that you have the latest software version is important for many different reasons. First, having the latest version, you can be sure that your device is running smoothly. Also, by keeping your device updated, you know that you are getting all the new tools that come with different updates.
Unlike other operating systems like iOS and Android when it comes to garmin watches, garmin's software updates are unique to each model. This means that you will get different updates based on your garmin model.