Since Apple does not provide an official ISO, you must create one yourself. Here is the safe, legal path:
: Drill down into the extracted folders to find InstallMacOSX.pkg . Right-click and extract this archive as well.
Once the format completes, right-click the same drive and select . mac os x 1011 el capitan iso download link
El Capitan supports the following Mac models:
https://support.apple.com/zh-cn/docs/mac/135555 Since Apple does not provide an official ISO,
Key improvements in El Capitan included:
"Here's the trick," Marco said. "On a newer Mac, go to Apple’s official support site. Search for 'How to download macOS El Capitan.' Apple still hosts a hidden link that opens the App Store on a compatible Mac — even now. Download the InstallMacOSX.dmg , then use Terminal to create a bootable USB. That's your 'ISO.'" Once the format completes, right-click the same drive
The Internet Archive maintains a copy of the OS X El Capitan Install DMG for archival purposes. This file was downloaded directly from Apple's website before any potential removal, making it a reliable backup source:
hdiutil create -ov -format UDRW -volname "El Capitan" -size 7g -fs HFS+ -srcfolder /Applications/Install\ macOS\ El\ Capitan.app