소개
Create a bootable USB drive for macOS X El Capitan, Yosemite, Mavericks, Sierra, High Sierra, Mojave, Catalina and Big Sur.
(The process is also described on the Apple Support page https://support.apple.com/en-us/HT201372)
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If you're currently running macOS Mojave, click this link to find the Mojave installer in the App Store. For Catalina, click here.
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Click Get or Download
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In Terminal, type one of the following commands, depending on your version of macOS. (The name of the version of macOS, is the one you want to install on the key and downloaded.)
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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
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For Yosemite : sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ Yosemite.app
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For Mavericks : sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ Mavericks.app
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For Sierra : sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ macOS\ Sierra.app
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Other versions, see the next step.
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For High Sierra : sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ macOS\ High\ Sierra.app
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For Mojave : sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
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For Catalina: sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
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For Big Sur: sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
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Nice work! You're done.
Nice work! You're done.
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if it is possible with power iso i have installed this one on my system. http://standaloneinstaller.com/download-...
You mean create a USB key from Windows ?
I'm thinking of using this method to revert back to an older os due to my mac slowing down with Sierra. Will I be able to install just Yosemite or el capitan? Without installing previous os upgrades? This way I can have a fresh mac book.
Hello,
Yes you can but with this method, we must make a clean install.
So, please sure you save all your data to another hard drive.
Réparer ma clé usb