Like Mountain Lion (OS X 10.8) and Lion (OS X 10.7) before it, OS X 10.9 Mavericks is as easy to install as downloading an installer from the Mac App Store and double-clicking. But there are still
Mac OS X 10.1, code-named Puma, is the second major release of Apple Inc.'s operating system Mac OS X after Mac OS X 10.0 and before Mac OS X 10.2. It was released on September 25, 2001 with free update CDs handed out at Apple retail stores and some other retail outlets. A full history of macOS (OS X) release dates and rates Mac OS X 10.2 "Jaguar": For the first time, Mac OS X comes in two flavours, regular and Server editions. Jaguar 10.2 Server costs more, and uses a serial-number, but with general-user apps replaced with administrator-level server toys, it is a single CD of 635MB. Apple Releases OS X 10.9.1 With Several Mail Improvements
Oct 22, 2013
OS X 10.9.1 Update | tonymacx86.com Apr 29, 2016
Feb 07, 2014
Jun 12, 2019 Download FrostWire 4.10.9.1 for Mac - OldVersion.com Feb 24, 2011 Apple Seeds OS X 10.9.1 Build 13B40 to Developers - MacRumors Dec 03, 2013