Updates & Downloads


DC20, DC30, DC40 (region file only) software version 4.10

as of February 14, 2014

Use Garmin Express to install this file.

(544 KB)

View system requirements


Change History

Changes made from version 4.00 to 4.10:

Changes made from version 3.90 to 4.00:

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 3.00 to 3.40:

Changes made from version 2.90 to 3.00:

Changes made from version 2.80 to 2.90:

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 2.30 to 2.40:

Changes made from version 2.20 to 2.30:

System requirements

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