Apple has released macOS Sonoma for anyone to download and install on a supported Mac computer. Here's how to do that and why you should upgrade.

Apple released a developer beta of its next MacOS software, called Sequoia. But installing it before the planned release this fall isn't for the faint of heart.

With the OpenCore Legacy Patcher, it's possible to install macOS Sequoia on Mac computers from as far back as 2008. Here's how to get everything set up.

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.

How to use Custom Icons; more 75275: Mac OS X: About the "Install Mac OS 9 Drivers" Option states: "When formatting a hard disk using the Disk Utility application, there is an option to "Install ...