You will need the executable file (typically MapSource_6137.exe or a .zip containing Setup.msi ). Note: Ensure you are downloading from a reputable source to avoid malware.
Do not run setup.exe initially. Instead, find and run MAIN.msi from the extracted folder. garmin mapsource 6137 special full top version
Version 6.13.7 is considered a "special" or "gold standard" version by long-time users because it was the last version to use a fast, high-performance graphic engine before Garmin updated the software (starting with 6.14.1) to a slower, more resource-intensive rendering system. Why Version 6.13.7 is Sought After You will need the executable file (typically MapSource_6137