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The Centennia Historical Atlas desktop app runs on Windows (10/8/etc.) and Apple MacOS. The app requires 20 megabytes of disk space. Centennia does not have any other significant system requirements, and it will run well on almost any computer manufactured in the past ten years. Three languages are included: English, German, and Greek. To change languages, open the app and hit "e" on your keyboard for English (EN), "d" for German (DE), or "l" for Greek (EL).

Centennia Nations Edition is available for free. Download it below. The files available for download include all text and map data covering ten centuries of European and Mid East history. Centenia Nations Edition covers the 150-year period from 1789 to 1939 and is available at no cost. To access the full time period, all ten centuries from 1000 AD to the present, you will need to purchase an access code.

Download Centennia for Windows: Download Centennia for Windows.
The Windows download (fully compatible with Windows 10/8/7 etc.) is a standard Windows Setup program. Download it and then double-click "Centennia Windows Setup" to install.

Download Centennia for Macintosh: Download Centennia for Macintosh OS X.
The Macintosh OS X download is a disk image (dmg) file. Download it, then drag the Centennia app to your computer's desktop or Applications folder. Double-click to run.

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