Updating Data-Files in Navgps:
Note: If the file has a .zip extension - that means it's compressed. You can use the standard Winzip software to uncompress it. It can be downloaded for free from Winzip.
Note: Be sure Navgps is not running before the copy - otherwise you won't be able to update files. Restart Navgps after the copy is finished.
For Windows, save the new files in the same folder where you installed Navgps (i.e. folder where navgps.exe is present) - default is '\Navgps Basic' and '\Navgps Pro' respectively.
For PocketPC - Basic and Pro:
After you've downloaded the data-files to your desktop, start Activesync. Then do the following: