Please note that downloading and installing macOS Lion OS X 10.7 may require an Apple ID and password. Additionally, be aware that older operating systems like macOS Lion may no longer receive security updates or support from Apple.

Make sure to check the integrity of the file if a checksum is provided.

Navigate to Contents/SharedSupport/ . The file is located there. Alternatives for Difficult Cases

You will see the InstallESD.dmg file here. Drag it to your Desktop for easy access. 3. Minimum System Requirements

The file you downloaded is a disk image containing the installer. To get the actual InstallESD.dmg (the system image used for bootable drives), follow these steps:

Using older Mac Minis as simple file servers or media hubs.

: Right-click "Install Mac OS X Lion" and select Show Package Contents .