You can download the InstallAssistant.pkg file directly from Apple's content delivery network (CDN). When executed, this package extracts the "Install macOS Sonoma" app into your Applications folder. Trusted sites like Mr. Macintosh maintain databases of these direct links. How to Create a macOS Sonoma ISO
hdiutil create -o /tmp/Sonoma -size 14500m -volname Sonoma -layout SPUD -fs HFS+J macos sonoma iso download
Downloading macOS Sonoma ISO offers several benefits. For developers, it provides a convenient way to test and develop apps on the latest version of macOS. For enthusiasts, it allows them to explore the new features and design of macOS Sonoma without committing to a full installation. Additionally, having an ISO file enables users to perform a clean installation of the operating system, which can be helpful in case of a corrupted system or when setting up a new Mac. You can download the InstallAssistant
Once the process finishes (it may take a while), unmount the created volume (it was renamed to "Install macOS Sonoma" by the previous command). Macintosh maintain databases of these direct links