See the Garmin Communicator product page for more information and instructions on how to install the Garmin Communicator Plugin and to test that it was installed properly.
Mac users, see the Garmin Communicator Plugin for Mac product page.
The installation program will install both the USB GPS drivers as well as the browser plugin. Run the install program and follow the instructions. A browser restart is required.
Go to the Communicator Plugin Test Page page to verify proper installation.