But here’s the hard truth: If you find a website offering one, you are either looking at a homemade conversion, an outdated hack, or a potential malware trap.
This .app bundle contains a custom bootable file system, but it is not an ISO. To create a bootable installer, Apple provides the createinstallmedia command—which writes the .app contents to a USB drive in a proprietary, HFS+/APFS format that a Windows PC cannot natively read. mac os sonoma download iso