"Updating?" Elias leaned closer. "I just downloaded it. Why is it updating on boot?"
Because macOS is designed strictly for Apple’s proprietary silicon and EFI, a standard installer cannot boot on a generic virtual machine. These "updated" downloads often include: Pre-configured EFI partitions: Bypassing the need for manual configuration. KVM Optimizations: mac os qcow2 exclusive download upd
Manual conversion can be complex, so community tools often automate the process of building QCOW2 images from official sources: sickcodes/Docker-OSX - GitHub "Updating
: Virtual images are often the only way to run "vintage" systems, such as Mac OS X Tiger , which are no longer supported by modern Apple hardware but remain available through community archives like Archive.org . Deployment and Security such as Mac OS X Tiger