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macOS
MacOS wordmark (2017).svg
DeveloperApple Inc.
Written in
OS familyUnix, Macintosh
Working stateCurrent
Source modelClosed source (with open source components)
Initial releaseMarch 24, 2001; 19 years ago (2001-03-24)
Latest release10.15.7[3] (19H2)[4] (September 24, 2020; 45 days ago (2020-09-24)) [±]
Latest preview11.0.1 Release Candidate[5] (20B5022a)[6] (November 5, 2020; 3 days ago (2020-11-05)) [±]
Marketing targetPersonal computing
Available in39 languages[7]
List of languages
[as of macOS Catalina]: Arabic, Catalan, Croatian, Chinese (Hong Kong), Chinese (Simplified), Chinese (Traditional), Czech, Danish, Dutch, English (Australia), English (United Kingdom), English (United States), Finnish, French (Canada), French (France), German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Russian, Slovak, Spanish (Latin America), Spanish (Spain), Swedish, Thai, Turkish, Ukrainian, Vietnamese
Update method
Platforms
Kernel typeHybrid (XNU)
Default user interfaceAqua (Graphical)
LicenseCommercial software, proprietary software

macOS
Cheetah (10.0)
  • Puma (10.1)
  • Jaguar (10.2)
  • Panther (10.3)
  • Tiger (10.4)
  • Leopard (10.5)
  • Snow Leopard (10.6)
  • Lion (10.7)
  • Mountain Lion (10.8)
  • Mavericks (10.9)
  • Yosemite (10.10)
  • El Capitan (10.11)
  • Sierra (10.12)
  • High Sierra (10.13)
  • Mojave (10.14)
  • Catalina (10.15)

  • From version 11.0:

    macOS (/ˌmækˈɛs/;[8] previously Mac OS X and later OS X) is a series of proprietary graphical operating systems developed and marketed by Apple Inc. since early 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop, laptop and home computers, and by web usage, it is the second most widely used desktop OS, after Big Sur (11.0)