Launch Disk Utility on your Mac by clicking on Launchpad in the Dock and searching for and clicking on Disk Utility. Plug in your USB drive to your Mac using one of the USB ports on the Mac.Ģ.

Formatting the USB Drive for macOS Sierra Installerġ. The second section will teach you how you can actually create the USB installer. The first section goes on to teach you how you can format your USB drive so that it can accommodate the Sierra installation files. The procedure has actually been divided into two sections. Please note that this procedure assumes that you have already downloaded the macOS Sierra update from the App Store. So, with that all out of the way, here’s the actual procedure:Ĭreating a Bootable USB Installer for macOS Sierra Final Release Also, if you have got some important data on the USB drive, please backup it as it will be deleted in the following procedure in order to make it a USB OS installer. That amount of memory space is recommended for creating the Sierra installer USB. Since you’re going to create a USB installer, you’ll need a USB driver that can hold at least 16GB of data. In fact, it’s pretty easy as all it requires for you to do is open Terminal and issue a couple of commands and your USB installer is ready to be booted up on your Mac.

Not only a USB installer will help you install the OS on your Mac, but it will also help you install the OS on your other Macs-so that’s one download and many uses.Ĭreating a USB installer for the final release of macOS Sierra isn’t a daunting task. If you would not like to go the traditional way to install macOS Sierra on your Mac, then you can use a USB installer to install the latest version of the OS on your Mac.

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