When you’re troubleshooting your computer or installing a new operating system, you may need to “boot from a disc” or USB device (like an external hard drive or flash drive). Here’s what that ...

When Apple released OS X 10.7 two years ago, it stopped selling operating system DVDs in its stores, stopped shipping recovery disks with new Macs, and switched to downloadable installers for OS X ...

It was 2009 when Apple last released a new operating system on physical media. Things have proceeded remarkably smoothly since version 10.7 switched to download-only installers, but there are still ...