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.

Check your free storage space. The download is big -- around 6.5GB -- and Apple said you should probably have about 20GB of free storage space to install Catalina. Update your apps.

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 ...

Apple encouraged users this week to update their iOS and macOS software after discovering hackers may have exploited flaws in the systems. The company posted online documents on Wednesday and ...

[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: ...

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