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- Connect the USB flash drive directly to your Mac. Open Terminal, which is in the Utilities folder of your Applications folder. Depending on which macOS you downloaded, enter one of the following commands in Terminal. Each command assumes that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive.
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Sep 16, 2024 · You can use a USB flash drive or other secondary volume as a startup disk from which to install the Mac operating system.
Apr 13, 2021 · 1. Download macOS. 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...
Sep 16, 2024 · 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. Select your storage device as the startup ...
Oct 22, 2024 · Step 1: Get macOS installer files. Step 2: Create a bootable installer for macOS. Step 3: Use the USB installer to update your Mac. createinstallmedia commands.
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Aug 17, 2022 · Open Finder on the Mac. Navigate to your Applications folder. Locate the Install macOS Monterey “app”. In the event that this is not located in the Applications folder, locate the app and move it to the Applications folder. Plug in your external USB drive. Open the Disk Utility app on your Mac.
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Aug 1, 2024 · Quick Links. Before You Begin. Format Your USB Flash Drive. Download the macOS Installer. Create a Bootable USB Using Terminal. Formatting Your Mac's Drive. Booting Your Mac From a USB Drive. Installing macOS on Your Mac. Key Takeaways. You'll need a removable media device with at least 16GB of storage to create a bootable macOS installer.
Sep 3, 2020 · This tutorial shows you how to create a bootable macOS Big Sur USB installer drive, which can be handy for performing fresh installs on your Mac.