Searching for "tomtom xxl maps download free torrent" or "free cracked map TomTom" will yield hundreds of results. Most of these are dangerous.
Map Share is a technology that allows the community to report road changes (like new speed limits or blocked roads) and download these verified changes for free.
Downloading free maps for a is only possible under specific conditions, as most map updates for older devices require a purchase. The XXL series generally uses the TomTom HOME software for management and updates. When Maps Are Truly Free
A search for "TomTom XXL maps download free" will yield thousands of results on forums and file-sharing sites. These often promise cracked versions of the latest maps (e.g., "North America v1200") that claim to work on older devices.