The OS X Yosemite download will take at least 30 minutes to complete but expect longer times on the OS X Yosemite release date.

The latest version of Apple's OS X operating system is now available. Here's how you can download it.

The 5 GB download should begin now and may take anywhere from 20 minutes to an hour, depending on the speed of your Internet connection. Once that finishes up, the "Install OS X Mavericks" program ...

Apple users can download and install the second beta preview of Mac OS X Mavericks months before its release date this fall.

Here's how Apple developers and users can download, install and run the latest beta for OS X Mavericks on any Mac computer, months ahead of its release date.

Apple has released OS X 10.9 Mavericks, and somewhat surprisingly it is a free upgrade for all existing OS X users. If you're using a Mac laptop or desktop from the last five years or so, you ...

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 ...

Users see OS X Yosemite download problems and errors including a temporarily not available (null) message in the Mac App Store.