Note: This process requires the use of Terminal and should be attempted by users comfortable with command-line interfaces.
Instead of hunting for an ISO:
That said, here is a of the typical “macOS Lion ISO” experience, based on what users commonly encounter. macos lion iso download
In the modern macOS ecosystem, Lion is considered "obsolete" by Apple’s service definitions. This means it is no longer available for direct download on modern Macs, and Apple does not provide technical support for it. Consequently, users cannot simply open the App Store and click "download."
To run OS X Lion, your Mac must meet these specific hardware standards. According to Wikipedia , Lion was the first version to drop support for 32-bit processors. : Intel Core 2 Duo, i3, i5, i7, or Xeon. Memory : At least 2GB of RAM. Storage : Minimum 7GB of available disk space. Note: This process requires the use of Terminal
You can use the hdiutil command in Terminal to convert the file: hdiutil convert /path/to/Lion_Installer.dmg -format UDTO -o /path/to/Lion_Installer.iso (Note: This creates a .cdr file, which you can simply rename to .iso) .
While Apple provides a .dmg , many users require an .iso for virtual machines (like VirtualBox or VMware) or for use on Windows systems. This means it is no longer available for
: Must be running Snow Leopard (10.6.6) or later. Converting to ISO for Virtual Machines