Mac download sierra installer
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- #Mac download sierra installer install#
- #Mac download sierra installer upgrade#
- #Mac download sierra installer full#
- #Mac download sierra installer software#
- #Mac download sierra installer password#
#Mac download sierra installer full#
Using an app like Carbon Copy Cloner or SuperDuper you can create full bootable backups of your drive.
#Mac download sierra installer install#
Then back up all of your data, boot to the USB installer and use Disk Utility to erase the drive, and then install High Sierra from scratch.įor those who don’t like the sound of that, but still fear needing to downgrade, one forward-looking solution is to get into the habit of creating bootable backups of your Mac’s primary drive. To do so, you’d need to use the steps above to download the High Sierra installer and create a bootable USB. You see, there’s no built-in, official way to downgrade nondestructively from one macOS version to another.
#Mac download sierra installer software#
Reasons for doing so may include downloading an installer for another Mac that has limited or no Internet access, troubleshooting another Mac that won’t boot, or even creating a bootable installer for the purpose of downgrading your own Mac if you find that software you rely on has incompatibilities with the latest version of macOS. While Apple would justify this limitation in the name of simplifying things for consumers, the fact remains that many users may still need to download an older version of macOS at some point.
#Mac download sierra installer upgrade#
The idea is that once you upgrade to the latest version of macOS there’s no going back to using an earlier version. For example, once you’re running macOS Mojave, you won’t see the macOS High Sierra page listed in the Mac App Store, nor will it show up in App Store search results. You can now quit Terminal and eject the volume.How to Download macOS High Sierra From macOS MojaveĮver since Apple started using the Mac App Store to distribute operating system updates, the company hasn’t made it particularly easy to access older versions of macOS.
#Mac download sierra installer password#
When prompted, type your administrator password and press Return again.* If your Mac is using macOS Sierra or earlier, include the -applicationpath argument and installer path, similar to the way this is done in the command for El Capitan. Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume If it has a different name, replace MyVolume in these commands with the name of your volume. These assume that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. Type or paste one of the following commands in Terminal.Open Terminal, which is in the Utilities folder of your Applications folder.Connect the USB flash drive or other volume that you're using for the bootable installer.You will create the bootable installer from this app, not from the disk image or.
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It installs an app named Install OS X El Capitan into your Applications folder. Inside the disk image is an installer named InstallMacOSX.pkg.Download using Safari, and open the disk image on a Mac that is compatible with OS X El Capitan.The installer for OS X El Capitan downloads to your Downloads folder as a disk image named InstallMacOSX.dmg. Enterprise administrators: Download from Apple, not a locally hosted software-update server.Download on a Mac that is using macOS Sierra 10.12.5 or later, or OS X El Capitan 10.11.6.
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