2024
12.22
  • Download TranMac from their official site and install it. It’s pretty standard—just run the installer and go through the setup.
  • Right-click on the USB drive and select Format Disk for Mac. This will wipe the USB drive, so ensure you back up anything important first.
  • Once the USB is formatted, right-click the drive again in TranMac and choose Restore with Disk Image.
  • Navigate to where you saved the macOS DMG file and select it.
  • Hit OK when prompted. This process will take a few minutes (or longer depending on your USB speed).

Now you’ve got your bootable macOS USB. To use it, you’d need to plug it into the Mac you want to install or reinstall macOS on, turn it on, and hold the Option key during boot. Select your USB drive from the list of bootable drives.