The Contour Elite Great Lakes Edition, Version 4 fishing computer software is designed to put you on fish. The Great Lakes Edition includes coverage in Michigan, Indiana, Ohio, Kentucky, Tennessee. State-of-the-art mapping technology paired with the most accurate lake data available means you can stop wandering around the lake. Imagine finding a hot spot and in seconds your computer identifies all other areas of the lake with similar characteristics. Just enter a species, time of year, and time of day and your computer searches the entire lake and gives you exact fishing coordinates. Navigate to these areas using your GPS or even a laptop computer right on the water. Features Lake level adjustment Contour depths and search results are adjusted based on water level Add waypoints in 3D view Now you can add waypoints while viewing the lake in the 3D viewer Improvements in the find similar areas feature to provide more precise results Specifications Compatible With Windows XP, Vista, Windows 7, Windows 8, and Windows 10 Minimum PC Requirements 1 Ghz Pentium 4 or Athlon CPU 2 Ghz Recommended 512 MB Ram 1024 MB Ram Recommended 10 GB Free hard drive Windows XP or greater DVD-ROM Drive Notes Contour Elite is a computer product only, CD's are not compatible with GPS units Owners will only be able to view the maps using a compatible computer Only Hummingbird digital SD map cards are compatible with Humminbird fish finders SOLD QUANTITY 1