Will allow you to install a full working version of Mac OS X El Capitan and that version will be 10.11.6, this is all you need. If you want El Capitan you will be guided to download the InstallMacOSX.dmg which once downloaded and processed
The link below will take you to an Apple article with information how to get the full installers for various OS's. If you have tried to install a Security Update for Mojave you need to be running Mojave in the first Installing a newer OS is called an upgrade.Īny updates you downloaded from Apple Support Downloads are not full installers so if you have tried to installĮl Capitan update 10.11.2 you need to be running an earlier version of Mac OS X El Capitan before you can install The App Store Updates page only informs you of updates available for the OS you are running.