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1. #BOOTABLE MAC OS SIERRA HOW TO#
2. #BOOTABLE MAC OS SIERRA MAC OS#
3. #BOOTABLE MAC OS SIERRA INSTALL#
4. #BOOTABLE MAC OS SIERRA DOWNLOAD#

Starting with Mavericks, hidden inside the OS X installer is a Unix program called createinstallmedia, provided by Apple specifically for creating a bootable installer drive. (If you’ve read this paragraph too late, and the installer has already deleted itself after an installation, you just need to re-download High Sierra r Sierra from the Mac App Store-via the Purchases tab-before you can make your bootable installer drive.) The easiest way is createinstallmedia So if you plan to run the installer before making your bootable installer drive, first make a copy of the Installer in another folder or on another drive so you have a safe copy before creating the bootable installer, move the copy back to the Applications folder.

#BOOTABLE MAC OS SIERRA INSTALL#

However, if you run the installer-say, to install the OS-from that location, the installer will delete itself after installation finishes.

#BOOTABLE MAC OS SIERRA DOWNLOAD#

Important: When you download the High Sierra or Sierra installer from the Mac App Store, it will be saved to your main Applications folder (/Applications) it must be in that location for the procedure below to work. Your macOS user account must also have administrator privileges.

#BOOTABLE MAC OS SIERRA HOW TO#

Macworld has a nice tutorial that explains how to properly format the drive.

#BOOTABLE MAC OS SIERRA MAC OS#

The installer drive must be formatted as a Mac OS Extended (Journaled) volume with a GUID Partition Table. To create a bootable High Sierra or Sierra installer drive, you just need the appropriate aforementioned installer and a Mac-formatted drive (a hard drive, solid-state drive, thumb drive, or USB stick) that’s big enough to hold the installer and all its data-an 8GB thumb drive is perfect. (Developers can get the current release version of High Sierra through the developer download site-scroll down to “Release Software.”) What you need You can get the latest version of the High Sierra or Sierra installer from the Mac App store. How do I get the High Sierra or Sierra installer? 2 Here’s this year’s version, for both macOS High Sierra (10.13) and macOS Sierra (10.12), of my annual how-to guide. 1 It’s great for installing the OS on multiple Macs, because you don’t have to download the ~5GB installer onto each computer, and it serves as a handy emergency disk if your Mac is experiencing problems.

It delivers consistent results every time, and does not cause any issues.I’ve long recommended creating a bootable installer drive-on an external hard drive, thumb drive, or USB stick-for the version of macOS you’re running on your Mac.

Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ macOS\ Sierra.app

Open Terminal (it is found in the same folder as the Disk Utility app).This can be done from the Erase tab within the app make sure that there are no multiple partitions (turn to the Partition tab to verify and correct this). Using Disk Utility (it is typically found in the Other folder, under Launchpad), format the USB drive as Mac OS Extended (Journaled), using the GUID Partition Mac scheme, and name it macOSSierra.Assuming you have already downloaded the OS from app store. To make a bootable macOS Sierra USB drive please follow the steps below.