1. Put "UTILITY" folder in Primo's root 2. Open UTILITY\mapchanger.ini and check DirContent= for example: \SDMMC\NNG\Content or \Storage Card\Primo\content or ...) 3. Check ExeName= (iGo.exe or Primo.exe or ...) 4. In Content folder create subfolders: map (for TA maps), map_nt (for NT), map_ot (for other maps) and copy in each folders at least 1 map 5. For POI changing together with maps set: swpoi=1 and create same folders structure as for maps (poi, poi_nt, poi_ot) 6. GJ skin -> System Settings -> Show MapChanger check the box 7. In Drag map menu you'll see MapChanger 8. Enjoy