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  1. Feb 22, 2024 · Windows Installer. Available for: macOS Big Sur; Impact: An app may be able to bypass Privacy preferences; Description: The issue was addressed with improved memory handling.

    • Overview
    • What you need to create a bootable installer
    • Use Terminal to create the bootable installer
    • Commands
    • Use the bootable installer
    • Learn more

    You can use an external drive or secondary volume as a startup disk from which to install the Mac operating system.

    These advanced steps are primarily for system administrators and other experienced users who are familiar with entering commands in Terminal.

    •A USB flash drive or other secondary volume with at least 14GB of available storage, formatted as Mac OS Extended

    •A full macOS installer

    To download a full installer, your Mac must be using macOS High Sierra or later, the latest version of macOS Sierra, or the latest version of OS X El Capitan. Your Mac must also be compatible with the macOS that you're downloading. Enterprise administrators: download from Apple, not a locally hosted update server.

    Download a macOS installer using the App Store or your browser

    1.Plug the USB flash drive into your Mac.

    2.Open Terminal, which is in the Utilities folder of your Applications folder.

    3.Type or paste one of the commands below into Terminal, then press Return to enter the command. Each command assumes that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. If the volume has a different name, replace MyVolume in the command with the name of your volume.

    4.When prompted, type your administrator password. Terminal doesn't show any characters as you type. Then press Return.

    5.When prompted, type Y to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the volume is erased.

    6.After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume. Click OK to allow the copy to proceed.

    Depending on which macOS you downloaded, enter one of the following commands in Terminal as instructed above.

    •Remember to replace MyVolume in the command with the name of your volume.

    Mac with Apple silicon

    1.Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing. A bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model. 2.Turn on the Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes. 3.Select the volume containing the bootable installer, then click Continue. 4.When the macOS installer opens, follow the onscreen installation instructions.

    Any other Mac

    1.Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing. A bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model. 2.Turn on your Mac, then immediately press and hold the Option (Alt) key. 3.Release the Option key when you see a dark screen showing your bootable volumes. 4.Select the volume containing the bootable installer. Then click the onscreen arrow or press Return. 5.If you're using a Mac with the Apple T2 Security Chip and you can't start up from the bootable installer, make sure that Startup Security Utility is set to allow booting from external or removable media. 6.Choose your language, if prompted. 7.Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.

    For information about the createinstallmedia command and the arguments you can use with it, make sure that the macOS installer is in your Applications folder, then enter the appropriate path in Terminal:

    /Applications/Install\\ macOS\\ Sonoma.app/Contents/Resources/createinstallmedia

    /Applications/Install\\ macOS\\ Ventura.app/Contents/Resources/createinstallmedia

    /Applications/Install\\ macOS\\ Monterey.app/Contents/Resources/createinstallmedia

    /Applications/Install\\ macOS\\ Big\\ Sur.app/Contents/Resources/createinstallmedia

    /Applications/Install\\ macOS\\ Catalina.app/Contents/Resources/createinstallmedia

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  3. Jul 12, 2021 · Step 1: Download and install UUByte DMG Editor on Windows 10 using the official ISO installation file, which you can download from the UUByte website here. Step 2: Insert the USB drive into an available port on Windows 10 PC and launch UUByte DMG Editor. Select the 'Burn' option on the welcome page.

    • Can I Run macOS on Windows? If you’re a Windows power user, you know you can run Linux or other versions of Windows within Hyper-V. If you’re a Mac power user, you know you can run Windows on a Mac with Boot Camp, or a virtual machine like VMWare Fusion, Parallels, or VirtualBox.
    • Get a Copy of macOS. Open the Apple App Store and download a copy of BigSur. It’s an entire operating system, so it’s a large download. Make sure you’ve got the space and time to download it.
    • Install VirtualBox on Windows. The newest version of VirtualBox that this process appears to work with is VirtualBox v6.1.26. Go to the VirtualBox 6.1.26 download site and select VirtualBox-6.1.26-145957-Win.exe.
    • Create a Virtual Machine In VirtualBox. Think of creating a virtual machine as building a computer inside your computer. This gives macOS its own place to install to and allocates the resources it needs to work.
  4. Apr 2, 2024 · Double-click the .pkg file, then follow the onscreen instructions to install the macOS installer into your Applications folder. Open your Applications folder and double-click the macOS installer, named Install [Version Name]. Follow the onscreen installation instructions. Use a bootable installer

  5. Feb 3, 2021 · Our comprehensive guide for how to install macOS Big Sur, the latest major Mac update, without hitting any potholes.

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