OS X 10.11 El Capitan

OS X 10.11 El Capitan was an "improvement based" upgrade to OS X 10.10 Yosemite, with a focus on performance, stability and security.


  • Split View
    • Allows simultaneous running of two apps in fullscreen mode
  • Improved Mission Control
  • Improved Spotlight
    • Support for Natural language
  • Revamped Notes app
    • Support for more kinds of content
  • New Photos app
  • Move from Lucida Grande to San Francisco as system typeface
  • Metal API
  • System Integrity Protection

Technical Specifications

  • OS X v10.6.8 or later
  • 2GB of memory
  • 8.8GB of available storage


  • MacBook (Early 2015)
  • MacBook (Late 2008 Aluminum, or Early 2009 or newer)
  • MacBook Pro (Mid/Late 2007 or newer)
  • MacBook Air (Late 2008 or newer)
  • Mac mini (Early 2009 or newer)
  • iMac (Mid 2007 or newer)
  • Mac Pro (Early 2008 or newer)*
  • Xserve (Early 2009)*

*Unsupported Mac Pros and Xserves can be made to work with El Capitan via 3rd party software.