Products, services, and OS functions
may not be available in this country.
Global Nav Open Menu
Global Nav Close Menu
Apple
Apple
Mac
iPad
iPhone
Watch
AirPods
TV & Home
Only on Apple
Support
Where to Buy
Documentation
OS X Mountain Lion
Year introduced: 2012
Tech Specs
Software
Mac OS X Mountain Lion Installer
Download Java for OS X 2017-001
Download Windows Migration Assistant v1.0.5.7 (Lion - El Capitan)
Security Update 2015-006 Mountain Lion
Security Update 2015-005 Mountain Lion
Security Update 2015-004 Mountain Lion
Security Update 2015-002 Mountain Lion
Security Update 2015-001 Mountain Lion
OS X bash Update 1.0 – OS X Mountain Lion
Security Update 2014-001 (Mountain Lion)
Download OS X Mountain Lion Update v10.8.5 (Combo)
OS X Mountain Lion 10.8.5 Supplemental Update
Thunderbolt Firmware Update v1.2
OS X Mountain Lion Update v10.8.3 (Combo)
Mountain Lion: Apple FIPS OS X Cryptographic Modules v3.0
OS X Recovery Disk Assistant v1.0
Show more
Show less