macOS Sierra is now available for compatible Mac computers Apple Apple's next major update to its desktop operating system is now available for Mac computers introduced in late 2009 or later, as a ...

You can download old versions of macOS from the Mac App Store or as direct downloads from Apple's website. Create a bootable USB drive using the installer Application ...

It's easy to make boot disks on old Macs for older hardware, but as the years have gone on, it's gotten a little more difficult. Here's how to make classic Mac OS 9 and early Mac OS X boot media on ...

Apple only sells OS X Mountain Lion as a digital download in the Mac App Store. The installer weighs in at a hefty 4.05GB, but the good news is that you can install your copy of Mountain Lion on all ...

Your Mac is failing to boot up properly due to some unknown glitch, so there’s no way to access the operating system or even get your data off the hard drive. A bootable USB drive, which contains a ...