DMG file, but you can convert it to the more widely-recognized. CDR file which will mount on your Mac like a hard drive or. Select 'DVD/CD master' as the format and ensure encryption is disabled, and begin the process. Head to File > New Image > New Image From 'Device' - and choose your optical drive. Insert your CD or DVD into your optical drive, and launch Disk Utility. If you do have a SuperDrive, or you're using a Mac that is blessed (cursed?) with an optical drive, here's how to extract a disk image and convert it to. ISO file from a torrent site. This can save you the need to purchase a SuperDrive, as you'd only end up with the same file if you were to extract it yourself.

If you already own the original media, you shouldn't feel any pangs of guilt by just downloading an.