Official "free" versions of MapInfo v7.5 do not exist as perpetual licenses. However, there are modern alternatives and trial options:
MapInfo Professional V 7.5 a marqué son époque. Voici ses atouts : Telecharger Mapinfo Professional V 75 Gratuit
MapInfo Pro est proposé via le programme “Academic Initiative” de Precisely pour les établissements partenaires. Renseignez-vous auprès de votre département de géographie ou d’urbanisme. Official "free" versions of MapInfo v7
If you are looking for free GIS software comparable to MapInfo, consider: consider: MapInfo Pro: A complete
MapInfo Pro: A complete, desktop mapping GIS ... - Precisely