Create a bootable installer for macOS - Apple Support
2025年1月2日 · To get a full macOS installer: Download macOS from the App Store or with your web browser using the download links and instructions in How to download and install macOS. Download from a Mac that is compatible with the macOS you're downloading.
Install macOS on an external storage device and use it as a ...
2024年9月16日 · If you have an external storage device, such as a USB or Thunderbolt drive, you can install macOS on that device, then use it as a Mac startup disk. Connect your storage device to your Mac. Check the format of your storage device. Install macOS on your storage device. Allow booting from external media.
How to Boot Mac From External USB Drive - AppleToolBox
2022年8月17日 · Here’s how you can boot Mac from external USB drive that is powered by an Intel processor: Insert the bootable installer you previously created. Power on your Mac.
How to install macOS from a USB - TechRadar
2021年4月13日 · The first step to install macOS from a USB on a MacBook or Mac desktop computer is to download the version of macOS that suits your needs. The macOS file will download to your...
How To Create A Bootable MacOS Installer USB Drive
2024年11月13日 · Installing macOS from a USB drive requires booting the Mac while holding down the Option key, selecting the USB drive with the installer, and then following on-screen instructions to install or reinstall macOS.
How to Install macOS From a USB Drive - MUO
2024年8月1日 · You'll need a removable media device with at least 16GB of storage to create a bootable macOS installer. You can download the installer for all modern macOS versions directly from Apple. I strongly recommend creating a Time Machine backup before reinstalling macOS, as any issues during the process can lead to permanent data loss.
How to create a bootable USB macOS installer - Macworld
In this article, we’ll run through the steps necessary to create a bootable installer of the Mac operating system, whether it’s so you can install the latest version of the macOS on multiple...
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