ArabBible for Mac runs on Apple's newest operating system: Sequoia (macOS 15), as well as on older versions: Sonoma (macOS 14), Ventura (macOS 13), Monterey (macOS 12), Big Sur (macOS 11), Catalina (macOS 10.15), and Mojave (macOS 10.14). And remember, once you purchase ArabBible, updates are always free!