OS X El Capitan 10.11.1 has many improvements like there is enhanced installer reliability when you upgrade to OS X El Capitan. It has been designed to improve the performance and usability of OS X. It is a successor of Yosemite and it has a great emphasis on security and stability of the system.
OS X El Capitan is the latest major release from OS X, Apple Inc for Mac computers. Mac OS X El Capitan 10.11.1 InstallESD DMG Overview
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