I want to register my nuvi 2589 LMT
Go to the Garmin website. If you have an account, log in. If you do not have an account, then make one. The site will allow you to register your device onto your account. You can then download and install Garmin Express, which will provide you with any software and map updates. To use Garmin Express, just plug your GPS into your PC, open the program, and follow the instructions it provides.