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.

One way of avoiding a disastrous upgrade to Apple's latest version of macOS is to partition your Mac's hard drive and install Catalina alongside your current operating system.

Mac OS X Lion is easier to install than any previous version of Mac OS X but things can go awry. Find some solutions here.

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 ...

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.