Once the app is installed, link Forerunner 645 with the Garmin Connect account.

Install the Garmin Connect app on the smartphone paired with Forerunner 645.

Garmin Connect for iOS devices can be downloaded from the Apple app store page for Garmin Connect.

Garmin Connect for Android phones can be downloaded from the Google Play Store page for Garmin Connect.

Garmin Connect is an app that can be installed on the smartphone paired with the Forerunner 645 device.

You can verify if the latest firmware has been installed on the Forerunner 645 device by going to Settings -> System and finding the firmware in the About Device section.Please allow sometime for the firmware to be installed automatically on your Forerunner 645 device.This will initiate the firmware installation on your Forerunner 645 smartwatch.Once the software has been downloaded on the Garmin Express application, it gets pushed out to the connected Garmin Forerunner 645 device.Allow it to pull the latest firmware version from the Garmin website. Allow Garmin Express to validate the current firmware version on Forerunner 645.Connect your Forerunner 645 to the computer using a USB cable.Once you have linked your Forerunner 645 to the Garmin Express application, open the Garmin Express application.Garmin Express helps in pulling firmware updates, map updates, Golf course updates and uploading your activities to the Garmin Connect app.You will need to add your device to the Garmin Express application. Validate if Garmin Express is working cleanly.Once you have downloaded Garmin Express, you can install it on the computer by executing the file.The Mac version of Garmin Express comes as a.The Windows version of Garmin Express comes as an executable file of size 127 MB.Garmin Express for Windows or macOS computers can be downloaded from this page on the Garmin website.

It is available for Windows and macOS computers. Garmin Express is a proprietary application that can be installed on any computer.Install software 7.20 on Forerunner using the Garmin Express application If you do not have Garmin Express, there is an alternate option to install firmware updates through the Garmin Connect app on the smartphone. The preference must be given to updating Garmin Forerunner through the Garmin Express application on your computer. Firmware version 7.20 was rolled out fully in February 2023.

These updates are released in a phased manner. Firmware updates for the Forerunner series watches are pushed out automatically by Garmin.

Garmin Express 7.18.3 instal