-
Download the latest OSX from App Store.
- The installer will open itself after its download. Do not proceed with install - close it!
- Once downloaded the installer will be available on
Applications
folder.
-
Run the following command, taking care to rename the OSX version accordingly and to specify the name of the volume (make sure the command is typed in a single line):
sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/<name-of-volume> --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app --nointeraction
- The prompt will ask for system password...