Running multiple operating systems side-by-side gives you the chance to test applications, run platform-specific software, and tons more without ever rebooting. It's also extremely cool. Here's how to ...

There are a few reasons why you might want to install an old version of macOS or Mac OS X. Perhaps you are relying on software you have discovered doesn’t work properly with the newest version of ...

If you're on Windows, need to use OS X, but don't want to buy or build a new computer, reader Bobby Patton shows us how to run Snow Leopard in a virtual machine on Windows with just a few tweaks.