Apple has released Mac OS X Lion in the Mac App Store for $30. Separately, Apple will also begin offering Lion on a USB thumb drive in Apple stores come August. Right now, you can grab Lion from the ...

If you receive an error message indicating that your Mac's firmware is out-of-date, and hence cannot accept installation of Mac OS X from a CD/DVD -- specifically ...

Complete the El Capitan install in a few easy steps This article explains how to perform a clean install of OS X El Capitan on your Mac's startup drive or another drive. It includes information on the ...

It says that it's got a 1.5TB hard disk, when there are 3x 500GB drives physically installed. What I'd like to do is remove all but 1 functioning disks and re-install Mac OS X so that I have a ...

Apple rolled out the public version of macOS Sonoma on September 26, 2023, making it available to download and install on any supported Mac desktop and MacBook, including some older models that pack ...