With Mac OS X Lion and a new piece of free software, it’s easier than ever to create a USB keychain that you can boot from.

Then launch Disk Utility. If you're using a USB flash drive or other external disk, you'll need to make sure it's formatted as "Mac OS Extended (Journaled)." Under the partition options, also make ...

Apple has released OS X Lion as a download from the Mac App Store only; however, you can use the download to create a separate OS installation disc or drive partition to use for troubleshooting ...

The OS X 10.10 Yosemite installer from the Mac App Store in your Applications folder. The installer will delete itself when you install the operating system, but it can be re-downloaded if necessary.

Though you can install Lion directly from your Mac's hard drive, a bootable installer drive or DVD can be more convenient for installing Lion onto multiple Macs, and if your Mac is experiencing ...

There you have it — a bootable copy OS X Mavericks on USB Flash Drive that can be used to install, upgrade, and/or troubleshoot compatible Apple computers.

On Monday Apple finally unveiled to the world the next iteration of OS X, Mavericks. A developer preview of the new operating system is available now as a Mac App Store download for registered ...

OS X Mavericks is available in the Mac App Store now, but it's only an upgrade—but if you want to do a clean install, you'll need to manually burn an installation flash drive. Here's how to do it.