Click on the Options button, select the radio button for GUID Partition Table, and click OK ( Figure B).Select Mac OS Extended (Journaled) for the format-type from the drop-down menu ( Figure A).Click the drop-down menu, selecting 1 partition.Click on the USB drive from the left-hand menu and select the Partition tab.Insert the USB drive into the Mac and launch Disk Utility.

Using a Mac with at least OS X 10.6.8 installed, access the Mac App Store and download the Mavericks (10.9) app installer.User Account with Administrative privileges.Apple computer with Mac App Store (OS X 10.6.8+).Install OS X Mavericks.app (installer downloaded from Mac App Store).

Creating a USB Installer for Apple OS X 10.9īefore proceeding, you'll need the following items to complete the process: However, the focus of this article is the change in the process for creating a working, bootable USB drive. The latest iteration of OS X, version 10.9 (aka Mavericks), marks not only 200+ changes in the OS, but also does away with the fabled 'big cat' naming scheme. In April, I wrote an article on TechRepublic about how to create a bootable USB to install OS X.

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