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Updates & Downloads

GTN/GDU 620 PC Trainer software version 6.21.1

as of December 1, 2016

Download (2.39 GB)

View installation instructions


Change History

Changes made from version 6.01.1 to 6.21.1:

Installation Instructions

  1. Click on 'Download' and save the file to your computer. Choose a location where you can easily locate the file once the download is complete. The file may take 5-30 minutes or more to download, depending on internet connection speed. A high-speed internet connection is recommended.

  2. Locate and extract the contents of the archive file titled to a temporary location.

  3. Once all files have been extracted, run autorun.exe, select Install GTN Trainer, and follow the instructions presented by the InstallShield wizard. After selecting Install, the installer may delay 5 or more minutes before updating the progress bar. Do not cancel during this stage.

    Note: User Account Control (UAC) may present a dialog to request permission to install software. An administrator password may be required. For more information on UAC, visit Microsoft's web site.