Apple distributes macOS installers as a .app bundle (via the App Store) or as a disk image ( .dmg ) containing that installer. An ISO file is typically used for Windows/Linux or bootable DVDs. However, users often search for "macOS Ventura ISO" to create a bootable USB for a Hackintosh or a virtual machine (VM) on non-Apple hardware (e.g., VMware on Windows or Linux).
On a Mac, open the App Store, search for “macOS Ventura,” and click “Get.” The installer will download to your /Applications folder. It is a .app bundle, approximately 12 GB. mac os ventura download iso
Using macOS’s built-in hdiutil command, you can convert that volume into a bootable ISO. Open Terminal and run: Apple distributes macOS installers as a