Hello there and welcome to Just Answer. My name is ***** ***** I will be assisting you today. I am an engineer with over 30 years of electrical and electronic training, repair and installation experience. I will try and answer your question accurately and precisely so that we can get you on your way.
To update your Nuvi, you need a program called Garmin Express.
--->CLICK HERE<--- and download the program to your computer. Install the program and run it. When prompted, plug in your Nuvi and you should be good to go. Let me know if you run into problems.Steve