MacOS Sierra is here. Learn if your Mac can run Apple's next computer operating system and, if so, how to download and install it.

Need to install an old version of macOS on your Mac? Here's how to downgrade from a new macOS version to an older one.

Apple announced MacOS Ventura, the latest version of the operating system. Here's how you can download the beta today.

Wipe your Mac and reinstall a clean copy of macOS to speed it up and fix problems by following these simple steps.

Apple today released macOS 12 Monterey, and whenever a new operating system is released for the Mac, some users prefer to perform a clean installation. This article explains how to perform what is ...

Early last month, we got our very first peek at OS X Yosemite at the Worldwide Developers Conference in San Francisco. Just eight weeks later, Apple is now preparing to roll out public access to ...

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.

Catalina is the latest build of Apple’s Mac operating system, version 10.15. Released in October 2019, it’s packed with plenty of new features Mac owners should love, like spreading cloud ...

MacOS High Sierra is here. Find out if your Mac can run Apple's next computer operating system and, if so, how to download and install it.