Install El Capitan App

Double-click on that and an installation window will open, follow the prompts. This does not install El Capitan but converts the InstallMacOSX.pkg to the Install OS X El Capitan.app which will appear in your Application folder, it is this you use to create the bootable USB installer.

Install Os X El Capitan App

Ok so you have downloaded InstallMacOSX.dmg, and you have opened that to Install MacOSX.pkg.

Double-click on that and an installation window will open, follow the prompts. This does not install

El Capitan but converts the InstallMacOSX.pkg to the Install OS X El Capitan.app which will appear

in your Application folder, it is this you use to create the bootable USB installer.


  1. Official OS X El Capitan Installer from the Mac App Store. Un-archive the zip archive and you will get the app Installer. A bootable ISO or bootable USB can be made from this installer. Instructions on how to do that are on the Internet/Youtube.
  2. This is the Install DMG of OS X El Capitan, downloaded from Apple's website just before this upload. This is for archiving purposes, just in case Apple decides to remove the download, so people can still download this in the future. 2021-02-24 22:39:21. Internet Archive HTML5 Uploader 1.6.4.
  3. Go to the App Store and open the El Capitan page there. Then you must click on the ‘Download; button on the El Capitan Page. If your Mac PC is compatible to perform this upgrade, a file named ‘Install OS X El Capitan’ will download to your Applications folder. The installer will open automatically after finishing the download process.
  4. The default method which is the upgrade installation option will try to install OS X El Capitan to your Mac device while protecting your user data and app data. This is currently the most frequently used method of upgrading to the new version of Mac OS X and also the easiest too.
Install El Capitan App

You can only do this on Macs that can install El Capitan, any Macs that came new with macOS Sierra

or a later OS preinstalled will not be allowed to convert the .pkg to the Install OS X El Capitan.app.

This is pretty dumb of Apple, as many Mac owners might need to use newer Macs to create bootable

Download El Capitan From Apple

installers for older Macs that have experienced difficulties.

Install El Capitan App Store

Dec 14, 2019 10:20 PM