A bootable Mac OS X thumb drive comes in handy when you need to troubleshoot OS issues for yourself, your family, or your friends.

Apple makes installing macOS very simple — if you only have one Mac. When you have many, it takes an unnecessarily protracted time. Circumvent Apple's installer and create your own using the ...

Follow these steps to take to create a bootable USB installer drive for macOS Sierra to deploy version 10.12 of Apple's OS on supported devices.

Your new Mac doesn't include an installation media. With the help of a GUI, Jack Wallen shows you how to create a handy flash drive for macOS.

The OS X 10.10 Yosemite installer from the Mac App Store in your Applications folder. The installer will delete itself when you install the operating system, but it can be re-downloaded if necessary.

To create a bootable installer you will need at least an 8GB USB flash drive or larger than that which later in the process would be formatted into the macOS Sierra bootable installer.