Presumably you have already made the USB flash drive into a Mac compatible format with Disk Utility, if not you can follow the directions here to format a drive for Mac OS X compatibility HFS+. The OS X El Capitan installer application must be on the Mac and in the /Applications/ folder, download OS X El Capitan here if you haven’t done so yet (yes.An 8GB or larger USB Flash Drive like these, this will be formatted and turn into the OS X El Capitan bootable installer.We will walk through creating a bootable install flash drive from OS X El Capitan with the final public version.īefore getting started, know the requirements necessary to make a bootable OS X El Capitan installer drive are as follows: Many Mac users like to make a bootable installer drive for installing OS X El Capitan, whether for performing a clean install, or for making it easier to install OS X 10.11 onto multiple Macs. How to Create a OS X El Capitan Boot Installer USB Flash Drive
