Open Terminal on a Mac and execute the following commands line by line:
You must first obtain the legitimate InstallMacOSX.dmg from Apple. macosxelcapitan10111imageiso work
hdiutil attach /tmp/ElCapitan.cdr.dmg -noverify -mountpoint /Volumes/install_build Use code with caution. Open Terminal on a Mac and execute the
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When the installer boots, it may show a blank screen when asking you to choose a target destination drive.
Step 4: Fix the "Damaged / Cannot be Verified" Certificate Error
While Apple does not provide official tools for creating bootable macOS installers on Windows, third-party utilities like or balenaEtcher can write a DMG or ISO file to a USB drive. The most important step is finding a working DMG or ISO file; then, you can burn it to a USB drive to create the bootable install media.