Create a bootable installer for OS XWith OS X El Capitan, Yosemite, or Mavericks, you can use a USB flash drive or other removable media as a startup disk from which to install OS X. German guide → https://support.apple.com/de-de/HT201372#mac#osx#install#kbase#elcapitan#yosemite#mavericks#10.11#10.10#10.9#boot#installer#media#startup·support.apple.com·Oct 1, 2015Create a bootable installer for OS X