Developer Apple Inc.
Written in
  • C
  • C++
  • Objective-C
  • Swift
OS family
  • Macintosh
  • Unix
Working state Current
Source model Closed source (with open source components)
Initial release March 24, 2001
Latest release 10.12.1 (Build 16B2555) (October 25, 2016)
Marketing target Personal computing
Available in 34 languages
Update method
  • Mac App Store (10.8+)
  • Software Update (10.0–10.7)
  • x86-64 (10.4.7+)
  • IA-32 (10.4.4–10.6.8; discontinued)
  • PowerPC (10.0–10.5.8; discontinued)
Kernel type Hybrid (XNU)
Default user interface Graphical (Aqua)
License Commercial software, proprietary software
Preceded by Classic Mac OS
Official website



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