While macOS Lion is a relic of the past, it remains a functional piece of software for specific use cases. By utilizing the App Store's purchase history and the macOS Disk Utility tools, users can safely and legally create the ISO files they need without relying on potentially dangerous third-party downloads.

Most ISO files labeled as “macOS Lion” are created by users who took the official Lion Installer.app (last released in 2011) and converted it to ISO format using third-party tools. Lion originally came on a USB stick or as a downloadable installer from the Mac App Store, not as an ISO.

balenaEtcher can be used to flash the image to a USB drive. EduGeek.net +2 System Requirements To run macOS Lion, your Mac must meet these minimum specifications: Apple Support Processor: Intel Core 2 Duo, i3, i5, i7, or Xeon. Memory: At least 2GB of RAM. Storage: 7GB of available disk space. Existing OS: Must be running Mac OS X 10.6.6 or later. Apple Support +1 Note: macOS Lion is considered "End of Life" and no longer receives security updates from Apple. For security, it is recommended to use the most recent version of macOS your hardware can support. Carnegie Mellon University Would you like instructions on how to

Automated scripts on GitHub can also help create bootable images.