To set up your Garmin Fenix 7X Pro, first charge the device using the provided cable. Download the Garmin Connect app to your smartphone (compatible with iOS and Android) and follow the on-screen instructions to pair your watch. This app is essential for syncing data, customizing settings, and downloading additional apps. For optimal solar charging, ensure the watch face is exposed to direct sunlight when possible. To care for your watch, rinse it with fresh water after exposure to chlorine or salt water. Clean the case and strap regularly with a damp cloth to prevent build-up. Avoid using harsh chemicals. Ensure the charging contacts are clean and dry before charging to prevent corrosion.