You bought a CD, madness.

Mac OS X El Capitan 10.11.6 OS X El Capitan, the latest version of the Mac operating system, builds on the groundbreaking features and beautiful design introduced in OS X Yosemite, refining the. DVD DL, Mac OS X 10.11 El Capitan Full OS Install Reinstall Recovery Upgrade. Latest certificate (expires ). Please CHECK twice if your Mac model is compatible with this macOS!! If you are not 100% sure please check the pics or message me your mac model and year and I can tell for sure if would work or not!

If you want to upgrade your Mac from Yosemite to another newer OS you have three alternatives..

El Capitan, Sierra and High Sierra are all available for download and are free.

It sounds like you have been trying to install updates to El Capitan downloaded from the Apple Support Downloads pages. If so you need to have already installed El Capitan, that is why you are getting the message about 10.11.

for example if you downloaded the 10.11.6 Combo update this will update any previous version of El Capitan from 10.11.0 to 10.11.5 to the last version 10.11.6. Please remember full versions of OS's are only available via the Mac App Store.

High Sierra Download

Depending on the age of your Mac you may not be able to upgrade to Sierra or High Sierra, if so you should be able to upgrade to El Capitan.

El Capitan Download For Mac

Have a look at the links below to determine what OS you would like to download. Bear in mind though that if your Mac qualifies for High Sierra then you will be denied the download of El Capitan.

The versions that will be downloaded in each case will be the latest versions of each OS, so for El Capitan it will be 10.11.6, Sierra will be 10.12.6 and High Sierra will be 10.13.3.

If you tried Erics link to El Capitan and you couldn't download it, then the App Store is recognising that you Mac qualifies for High Sierra, so you can upgrade to that or if you want you could also upgrade to Sierra from the link above.

Feb 28, 2018 12:24 AM