hdiutil attach /tmp/Catalina.dmg -noverify -mountpoint /Volumes/Catalina

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hdiutil convert /tmp/Catalina.dmg -format UDTO -o ~/Desktop/Catalina.cdr Rename to .iso mv ~/Desktop/Catalina.cdr ~/Desktop/Catalina.iso Step 3: Alternate Methods (Windows users)

. Apple does not provide official, direct download links for ISO files; they instead distribute macOS as installers through the Mac App Store. Formacionpoliticaisc Step 1: Download the macOS Catalina Installer

hdiutil detach /Volumes/Install\ macOS\ Catalina