Video Shows Using a Garmin 320,  However this is the same instructions for an Garmin Alpha

Installing Birdseye View:

Step 1:  Activate Birdseye View subscription.  If you purchased this from DuSupply, You would enter the Key that was provided to you at the following URL  Follow the instructions to activate your subscription.

Step 2:  Next  Download and install the Garmin BaseCamp Program onto your computer.   Download Garmin BaseCamp Program here for Free

Step 3:  Install Birdseye View To you Garmin Astro 320 (Or other GPS device) with Basecamp.   We've made a Video Showing how easy it is to do.