» 1024 x 768 screen resolution or higher. » 2 GB of available hard-disk space (8 GB if all map data for North America is loaded to hard drive) > 1.5 GHz or higher processor, Pentium 4, Athlon 64 or later » Microsoft Internet Explorer 7.0 or later » Windows XP (Service Pack 2 or later) with 512 MB RAM (1+ GB recommended) » Windows Vista® (all versions) with 512 MB RAM (1+ GB recommended) DOWNLOAD TOPO TOPO Features fives layers of the best maps availablefrom National Geographic. 99.95 DOWNLOAD TOPO TOPO State Series and Weekend Explorer products are both Mac and PC. » Microsoft® Windows® 7 (all versions) with 1GB of RAM (2+ GB recommended) DeLorme Topo USA Topo North America is the Most Complete Mapping Software for Recreation. Ability to share your custom maps over the internet, and more trails network and public lands, including BLM Over 4 million places-of-interest (POIs) in the U.S. 5 additional regional discs of PN-Series maps, to update your existing DeLorme GPS and Canada topographic maps and detailed streets

Topo North America is by far the best value for the price - EVERYTHING needed comes in-the-box for the purchase price, including: Topo North America is the most comprehensive computer mapping program for outdoor recreation, with unsurpassed maps, available imagery, trip planning features, on-road navigation, and GPS capabilities.

Topo North America is the Most Complete Mapping Software for Recreation.

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