Garmin MapSource version 6.13.7 is widely considered by the GPS community to be the "golden version" of the software
Track Log Analysis: View elevation profiles, speed data, and timing for your recorded GPS tracks.
Performance on modern PC (Windows 10/11)
- Runs fine in compatibility mode (Windows 7).
- Map rendering is slow with all maps enabled.
- No HiDPI support – tiny icons on 4K screens.
Performance: It is significantly faster at zooming and panning compared to later versions.
Google Earth Integration: Includes a "View in Google Earth" menu command to visualize GPS data on 3D satellite imagery.



