UTM is an emulator for virtualizing other operating systems. Here's how to use it to run Apple's Mac OS 9 on a Mac running on Apple Silicon.

Shut down the target Mac (the one on which you would like to install Mac OS X 10.4) Connect the target Mac to another system with a DVD drive running Mac OS X, using a standard FireWire cable.

What if you could run Mac OS on a Nintendo Wii game console? That’s probably not a thought that has occurred to many Wii owners or Mac OS users, but that is no excuse not to give it a try, as… ...

Make sure that you are not trying to install the Intel client build on a PowerPC-based Mac, or the Server build on a Mac OS X client system.

How to install macOS Monterey on your old Mac With macOS Monterey, Apple is dropping support for 2013 and 2014 MacBook Pro, MacBook Air, and iMac models, as well as the 2015 MacBook.

Until recently if you wanted to upgrade (or downgrade) old Mac to Mac OS X Lion (from 2011) or Mountain Lion (from 2012) you needed to pay Apple and the company would send you a special download code ...

When your Mac's startup disk is formatted, return to the Utilities window and select Install macOS, choose your freshly erased startup drive when asked where to install the OS, and follow the ...