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Install Mac OS from USB

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Install Mac OS from USB

How to install macOS from USB?

Install macOS from USB drive is a practical solution, whether you’re upgrading your existing macOS version, performing a clean installation, or creating a bootable drive for emergencies. This guide will walk you through the step-by-step process of installing macOS from a USB drive, ensuring a smooth and hassle-free experience. With a well-prepared USB drive and the right approach, you’ll have your macOS up and running in no time.

Install Mac OS from USB

System Requirements : 

Prior to beginning, ensure that you possess the following:

    • You’ll need a USB flash drive with a minimum storage capacity of 16GB.
    • A Mac computer that meets the system requirements for the macOS version you intend to install.
    • A stable internet connection.
    • A macOS installation file, which you can download from the Mac App Store.

Create a Bootable macOS Installer

    • Plug the USB flash drive into your Mac computer.
    • Open the Mac App Store and search for the macOS version you want to install.
    • Download the macOS installation file.
    • Once the download is complete, the installer window will automatically pop up. Close it without proceeding.
    • Open “Terminal” from the Applications > Utilities folder.
    • Type the following command in Terminal to create a bootable installer on the USB drive:
    • Replace [Version Name] with the name of the downloaded installer and [USB Drive Name] with the name of your USB drive.

Boot from USB Drive

    • Restart your Mac while holding down the “Option” key.
    • A list of bootable drives will appear. Select the USB drive you created.
    • The macOS installer screen will appear.

Install macOS

    • Choose your preferred language and click “Continue.”
    • From the menu bar, select “Disk Utility.”
    • In Disk Utility, select your Mac’s internal drive and click “Erase.” Choose a name, format (APFS is recommended for modern Macs), and scheme (GUID Partition Map).
    • Once the drive is erased, close Disk Utility and select “Install macOS” from the installer menu.
    • Follow the on-screen instructions to complete the installation. You’ll need to agree to the terms, select the destination drive (the one you just formatted), and create a user account.

Post-Installation Setup

    • After macOS is installed, your Mac will restart.
    • Follow the setup process to select your country, keyboard layout, and network preferences.
    • Sign in with your Apple ID or skip this step if you prefer.
    • Choose whether to transfer data from another Mac, Time Machine backup, or start fresh.
    • Complete the setup by customizing settings and creating a computer account.

Conclusion :

Installing macOS from a USB drive is a practical and straightforward process that ensures a smooth transition to a new version or the re-installation of macOS. By following these steps meticulously, you can successfully create a bootable USB drive, boot your Mac from it, and install macOS seamlessly. Remember to back up your important data before proceeding and ensure that you have a stable internet connection to download the macOS installer. This guide empowers you to take control of your macOS installation process and have your Mac up and running with the latest macOS version in no time.

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