![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_UF1000,1000_QL80_.jpg)
Amazon.com: Bootable USB Stick for macOS X El Capitan 10.11 - Full OS Install, Reinstall, Recovery and Upgrade
![How to Create a Bootable Install USB Drive of Mac OS X 10.11 El Capitan « Mac OS Tips :: Gadget Hacks How to Create a Bootable Install USB Drive of Mac OS X 10.11 El Capitan « Mac OS Tips :: Gadget Hacks](https://img.gadgethacks.com/img/33/86/63569438276152/0/create-bootable-install-usb-drive-mac-os-x-10-11-el-capitan.1280x600.jpg)