![macos - How do I create El Capitan installer on a Catalina (or post-El Capitan) installed Mac for use on USB boot installer? - Ask Different macos - How do I create El Capitan installer on a Catalina (or post-El Capitan) installed Mac for use on USB boot installer? - Ask Different](https://i.stack.imgur.com/G17Pa.jpg)
macos - How do I create El Capitan installer on a Catalina (or post-El Capitan) installed Mac for use on USB boot installer? - Ask Different
![Amazon.com: Bootable USB Stick for macOS X El Capitan 10.11 - Full OS Install, Reinstall, Recovery and Upgrade Amazon.com: Bootable USB Stick for macOS X El Capitan 10.11 - Full OS Install, Reinstall, Recovery and Upgrade](https://m.media-amazon.com/images/I/51oORiRbkhL._AC_SX425_.jpg)
Amazon.com: Bootable USB Stick for macOS X El Capitan 10.11 - Full OS Install, Reinstall, Recovery and Upgrade
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