sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/BigSur --nointeraction Desmontar y convertir a ISO: hdiutil detach /Volumes/Install\ macOS\ Big\ Sur

If you cannot use a real Mac to create the ISO, consider these legal alternatives:

On a compatible Mac, you can force the download of the full installer using this command: softwareupdate --fetch-full-installer --full-installer-version 11.7.10

Downloading a macOS Big Sur ISO is primarily for users needing to install the operating system on virtual machines (like VirtualBox or ) or to create bootable media . Since Apple does