MyTomTom helps you manage the content and services of your TomTom navigation module, as well as giving you access to the TomTom community. You log in to MyTomTom on the TomTom website at http://www.tomtom.com. It is a good idea to frequently connect your navigation module to MyTomTom, to ensure you always have the latest updates.
You can also access MyTomTom easily from the system tray of your computer. See image below.