Open Mac App Store → search “macOS Sonoma” → click “Get”
If you prefer the command line, you can use the softwareupdate tool. Running the command softwareupdate --fetch-full-installer --full-installer-version 14.5 will download the installer directly to your /Applications folder. macos sonoma iso download
An ISO file is essentially a digital replica of a physical disc. In the context of macOS, an ISO file contains the entire operating system installation media wrapped in a single, mountable file. Open Mac App Store → search “macOS Sonoma”
hdiutil convert /tmp/Sonoma.dmg -format UDTO -o ~/Desktop/Sonoma.cdr macos sonoma iso download