Installing OS X 10.8 on an Unsupported Mac - NexPostFacto Tutorial
Channel: Tech for PC & Mac
Date: 2021-01-07

In this video, we're going to install Mountain Lion (OS X 10.8) on an unsupported Core 2 Duo MacBook. This guide applies to the MacBook 2,1 through 4,1 and can also be used for i.e. the Mac Pro 1,1 and 2,1. 

The link to the files and the written guide over at ParrotGeek:

https://parrotgeek.com/npf/10.8_32.html