Updates & Downloads


Montana (WebUpdater) software version 6.50

as of July 15, 2015

Use Garmin Express to install this file.

(17.94 MB)

View system requirements


Change History

Changes made from version 6.40 to 6.50:

Changes made from version 6.20 to 6.40:

Changes made from version 6.10 to 6.20:

Changes made from version 5.90 to 6.10:

Changes made from version 5.70 to 5.90:

Changes made from version 5.40 to 5.70:

Changes made from version 5.30 to 5.40:

Changes made from version 5.20 to 5.30:

Changes made from version 5.10 to 5.20:

Changes made from version 5.00 to 5.10:

Changes made from version 4.90 to 5.00:

Changes made from version 4.80 to 4.90:

Changes made from version 4.70 to 4.80:

Changes made from version 4.60 to 4.70:

Changes made from version 4.50 to 4.60:

Changes made from version 4.40 to 4.50:

Changes made from version 4.20 to 4.40:

Changes made from version 4.10 to 4.20:

Changes made from version 3.90 to 4.10:

Changes made from version 3.80 to 3.90:

Changes made from version 3.70 to 3.80:

Changes made from version 3.60 to 3.70:

Changes made from version 3.50 to 3.60:

Changes made from version 3.40 to 3.50:

Changes made from version 3.30 to 3.40:

Changes made from version 3.20 to 3.30:

Changes made from version 3.10 to 3.20:

Changes made from version 2.80 to 3.10:

Changes made from version 2.70 to 2.80:

Changes made from version 2.60 to 2.70:

Changes made from version 2.50 to 2.60:

Changes made from version 2.40 to 2.50:

Changes made from version 2.20 to 2.40:

System requirements

  1. IBM-compatible PC running Windows XP or later operating system and an available USB port.