Once complete, open your /Applications folder. You will find a new application named Install OS X El Capitan . 💻 Converting the Installer to a Bootable ISO File
Always use the official Apple Support links provided above to ensure the integrity of your operating system. mac os x 1011 el capitan iso download link
If you are installing El Capitan on a physical Mac, a bootable USB drive is necessary. Once complete, open your /Applications folder