Comber

How to get started on Earthcomber:
The following steps should help you get up and running quickly with Earthcomber:

Sign up for your free account
 
Select maps for the places you want to explore
 
Download, install, and run Earthcomber Updater on your PC (Windows, Mac, or Linux)
 
Synchronize your handheld
 
Once installed, read the Quick Start Guide [979K PDF] for a short primer on how to use Earthcomber.