I was able to upload my map without too much trouble, but I am pretty good with computers. I received this email below from Amazon the morning after I made the purchase. I used my GPS today during a trip to Vegas to pick up my daughter at the airport. It worked perfectly. I also paid a visit to the two CycleGear stores located there and found each with my GPS. I don't understand why anyone would rate this software update with only one star, when it is probably their inability to properly follow instructions to upload the maps into their respective GPS. It takes some time, but it will work fine. The map software is made by Garmin, not Amazon.
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Hello from Amazon.com.
Thanks for buying a Garmin Online Map Code from Amazon.com. We recently learned that you may have had trouble redeeming your code, and we're sorry for any inconvenience.
We've worked with Garmin to correct the problem, and your online map code will now work if you return to Garmin.com to redeem it. You can learn more about accessing and redeeming your online map code in our Help pages here:
We hope you enjoy your new GPS map update and thank you for shopping at Amazon.com.