Using Windows7 with the National Geographic State Series .. See Below

Your software is compatible with the new Windows 7 platform.

However, if you are having trouble installing a TOPO! product on the new Windows 7 OS, please try one of the following workarounds, based on the type of product you have:

1. If you have a TOPO! State product, please try uninstalling and downloading the version 4.5 full installer from:

Note: if prompted for a Serial Number, use FZSI-2002-AAAA

This installer does not require any previous version of TOPO!, and is our most current for Windows, including Windows 7. Once installed and running, you may need to activate the maps for your CD-ROMs from the 'View > TOPO! Product Setup' menu.