Download OS X Mountain Lion Update v10.8.5 (Combo)
System Requirements: OS X Mountain Lion v10.8
File Size: 831.81 MB
The 10.8.5 update is recommended for all OS X Mountain Lion users and improves the stability, compatibility, and security of your Mac. This update:
Fixes an issue that may prevent Mail from displaying messages
Improves AFP file transfer performance over 802.11ac Wi-Fi
Resolves an issue that may prevent a screen saver from starting automatically
Improves Xsan reliability
For detailed information about the security content of this update, please visit: http://support.apple.com/kb/HT1222