A minimum of 2 GB RAM must be installed.
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You can . While Apple originally charged $20 for this operating system, it is now hosted as a free legacy download for users running older hardware or restoration projects. A minimum of 2 GB RAM must be installed
If you are downgrading a machine that currently runs a modern version of macOS, you must completely wipe the primary partition before executing these steps. Always perform a full backup of critical local data before altering operating partitions. Step 1: Extract the App Package If you are downgrading a machine that currently
Double-click the downloaded InstallMacOSX.dmg file to mount the disk image.
At least 8 GB of available storage space on the local drive. How to Install Mountain Lion (Step-by-Step)