How to make USB bootable with MacOS on windows

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Situatie

To perform this task, you’ll need:

  • Broken Mac computer running macOS
  • A trial copy of the TransMac software
  • One high-quality USB flash drive with 16GB of storage
  • Copy of macOS (DMG file)

To create a bootable USB drive with macOS, use these steps:

  1. Download and install TransMac on Windows 10.
    Quick note: This is a paid piece of software, but it gives you a 15-day trial, which is more than enough time. (If this works and you want to support the developer, purchase the full version.)
  2. Connect the USB flash drive.
    Important: If you have any data on the flash drive, remember to back it up since this process will erase everything on it.
  3. Right-click the TransMac app and select the Run as administrator option.
  4. Click the Run button. (If you use the trial version, wait 15 seconds)TransMac on Windows 10
  5. Right-click the USB flash drive and select the “Format Disk for Mac” option from the left pane.Format Disk for Mac using GPT partition
    Quick note: You want to perform this task before creating the bootable media because there is a good chance that the drive was formatted using a Windows device. If this is the case, the chances are it’s using an MBR partition, and the USB drive needs a GPT partition to work on a Mac.
  6. Click the Yes button to format the drive on the warning message.Format warning
  7. Confirm a name for the drive. For example, “macOS bootable USB”
  8. Click the OK button.
  9. Format USB for macOS with label
  10. Click the Yes button.
  11. Overwrite warning
  12. Click the OK button.
  13. Right-click the USB flash drive and select the “Restore with Disk Image” option from the left pane.
  14. TransMac Restore with Disk Image option
  15. Click the Yes button to confirm the erase of the USB flash drive data.Delete warning
  16. Click the browse button on the right.
  17. Select the “.dmg” file with the macOS installation files.Select dmg macOS file to create bootable USB drive
  18. Click the Open button
  19. Click the OK button
  20. Click the Yes button.
  21. TransMac create macOS USB bootable drive warning

Once you complete the steps, insert the USB flash drive on your Mac to install, reinstall, or upgrade the operating system to the latest macOS version (Ventura, Monterey, Big Sur, Catalina, or Mojave).

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