Make sure you are connected to the internet (preferably with a fast connection and with a large or no data cap in place).If you have a third party SSD installed in your computer check to see if it needs a firmware update before installing El Capitan.Java - see our Java article for more information.X11 - see our El Capitan FAQ for alternatives.Xgrid Sharing - see our El Capitan FAQ for alternatives.Web Sharing - see our El Capitan FAQ for alternatives.Rosetta for running PowerPC software - Mac OS X 10.6 Snow Leopard users only.Check you do not need any of the following as El Capitan does not directly include them:.

NOTE: If you are not sure whether you have a compatible Mac check our El Capitan FAQ before proceeding.

MacBook (Late 2008 Aluminum, or Early 2009 or newer).

Check whether you have a compatible Mac from this list:.

Here is a check list to do before installing OS X 10.11 El Capitan / OS X Server 5: WARNING: As of 21st April 2022 OS X Server/macOS Server is no longer available as Apple has discontinued it. Preparing For OS X 10.11 El Capitan Or OS X Server 5 Article ID = 142Īrticle Title = Preparing For OS X 10.11 El Capitan Or OS X Server 5Ī handy check list to do in preparing to install OS X 10.11 El Capitan or El Capitan Server (OS X Server 5) Preparing for OS X 10.11 El Capitan / OS X Server 5 WARNING: As of September 2018 Apple has gutted macOS Server and removed most/all of the useful Server features!

Install os x el capitan