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 ...

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 ...

Bootable disc image files may contain all the data necessary to create a disc from which computers can boot, but if you want them to work, you can't just burn them to a disc the way you would regular ...

Like Lion (OS X 10.7) before it, Mountain Lion (OS X 10.8) doesn’t ship on a disc—it’s available only as an installer app downloadable from the Mac App Store ...

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 ...

When your small business creates a bootable disk for its Mac computers from ISO disk images, there's a difference between an ISO file and the disk image it contains. If you burn the file to a blank ...

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 ...

I harbor no nostalgia for Mac OS 9. Aside from a couple of old games, I never even think about using OS 9 anymore. With one exception...I long for OS 9's simplicity in creating bootable drives and ...

Apple makes installing macOS very simple — if you only have one Mac. When you have many, it takes an unnecessarily protracted time. Circumvent Apple's installer and create your own using the Terminal.

I have Norton Ghost 2003 and it claims it will create a bootable DVD and write the image on it. Which is correct, except that the image (in my case) always fails the verify and therefore can't be ...