well im computer illiterate how do u link ure garmin to the usb an all that an wuts garmin website
You keep using the Beep Beep system.
https://buy.garmin.com/shop/store/downloadsUpdates.jsp?product=010-00596-01&cID=209&pID=8576You will need the USB cord that came with the Astro 220. Once you are logged on to the site, refer to your owner's manual. It will walk you through the steps of upgrading your software.
Regards