Open and use this command to convert Apple’s DMG into a standard ISO:
Before you spend hours building an ISO, check if your Mac supports (Mid 2011 or later Macs). mac os mountain lion iso
Instead:
Why is this specific file so hard to find? And more importantly, if you need to install OS X 10.8 Mountain Lion today, what should you actually be looking for? Open and use this command to convert Apple’s
Apple released OS X Mountain Lion for free. You can find the disk image link on the official Apple Support - How to download and install macOS page. mac os mountain lion iso