
Applications/Install OS X El Capitan.app.

Select Free Upgrade, it will download the installer app for El Capitan. Being the successor of OS X Yosemite, it mainly focuses on stability, performance, and security.There is a history in its name. Mac OS X El Capitan: Being the 12th major release of macOS, Mac OS X El Capitan belongs to the Macintosh-Unix family of OS.It was majorly released for server OS for Macintosh computers and Apple Inc.’s desktop. He's posted the Terminal commands (including short explanations for each) to create a bootable El Capitan DVD (or just the ISO if you skip the last command). Creating an El Capitan installation DVD is slightly different than previous, but a user 'tywebb13' on MacRumors is who I've followed each time I've created these DVD installers. To perform a clean install of El Capitan on your Mac's current startup drive, you'll first need to create a bootable version of the El Capitan installer. It installs an app named Install OS X El Capitan into your Applications folder.

On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. If you've decided to perform the clean install on an empty volume, you can jump to the section titled, 'Perform a Clean Install of OS X (or macOS) El Capitan.' How to Erase the Startup Volume To perform a clean install of El Capitan on your Mac's current startup drive, you'll first need to create a bootable version of the El Capitan installer.
