Install and Update Mac OS X Lion Before you can install, you need to create a partition on your existing disk so you can install OS X Lion there rather than updating your existing system.

How to prepare your Mac for an OS update We recommend that you don’t jump right in and install new software straight away–by which we mean the minute Apple releases it.

[Published Wednesday, June 20th] Apple has released Mac OS X 10.4.10, a major iterative update that includes enhancements in the following areas for Intel-based Macs: ...

Although we generally recommend using the standalone Mac OS X updaters rather than Software Update, the latter method will generally correctly identify the copy of Mac OS X applicable to your ...

To fix this, Apple suggests you manually update iTunes so that your version of it matches the version that corresponds to the new OS and to update to Mojave again in the process.

Apple Computer updates its Macintosh operating system to fix 60 flaws in the OS and bundled applications. Even for Apple.

In response to a Macworld article, TidBits' Chris Pepper elaborated on ways to run Software Update, Apple's means of delivering updates and patches, on your own schedule. Beginning with the fact ...

How to Update Your Mac to OS X 10.9.2 The major "gotofail" security flaw makes Macs running Mavericks extremely vulnerable. Update now!

Some third-party drives in use by your Mac may need a firmware update. With modern Macs, we can create an ISO update disc on that installs the new firmware.