For updating the maps and software you need to install Map My Drive connect on your computer. The program is available for the Windows and Mac computer. It is a free program which will help you in managing your content, services, drivers on the device. You can also download the latest maps and software updates regularly. It will help you to get a better driving experience. We publish various updates and bug fixes every week.
Visit here for more details: https://tomtomaps.com/tomtom-map-updates.php