macOS Mojave (/moʊˈhɑːvi, mə-/ mo-HAH-vee) (version 10.14) is the fifteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh computers. The successor to macOS High Sierra, it was announced at the WWDC 2018, on June 4, 2018, and was released to the public on September 24, 2018.