Express guide how to create OS X El Capitan Bootable USB flash drive.
- Download OS X El Capitan from Mac App Store here.
- Insert at least 8GB USB Flash Drive.
- Rename via Finder USB Flash Drive volume to: elcapitan
- Run Terminal and insert command below (you’ll be prompted for your admin account password):
sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/elcapitan --applicationpath /Applications/Install OS X El Capitan.app --nointeraction
- Done!
Install macOS Sierra
1. USB drive named “Untitled”
2. Run Terminal: sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia –volume /Volumes/Untitled –applicationpath /Applications/Install\ macOS\ Sierra.app –nointeraction
3. Enjoy!