Before beginning, ensure you have a USB flash drive with a minimum of to 32GB of capacity, as modern macOS installers (like Sequoia or Sonoma) exceed the standard 8GB limit. Note that the creation process will completely erase the drive, so any critical data must be backed up beforehand. 2. Method A: Using a Working Mac (Recommended)
diskutil eraseDisk JHFS+ "Untitled" /dev/diskX create mac os x bootable usb installer from dmg
sudo /Applications/Install\ macOS\ Ventura.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled Before beginning, ensure you have a USB flash
Open Terminal and run: