Fleet Updater can update the maps and software on up to 10 devices at once.
If you you have more devices than USB ports, you can connect them to your computer using a powered, high-quality USB hub.
When more than 10 devices are connected to the computer, updates will start automatically on the next device as others finish updating.
Download the file. When finished, click on the file name in your web browser.
Click "Install" in the installer window.
When it's finished installing, click "Launch" to open the app.
Fleet Updater can update 10 devices at a time. (USB hub may be required.)