All Farmnavigator G7 & G 12 Software updates can be found :
https://www.avmap.it/Farmnavigator/SoftwareUpdate?lng=en
NB: If your display is Wi-Fi enabled (Pro/Plus/ISO/G12), upgrades are done directly through the display & not downloadable. - Please connect your display to your home Wi-Fi or Hotspot from your mobile device.
Please also ensure you select the appropriate software for your hardware version as described in the above link.