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 ...

Is your Mac about to crash? Here's how to create a bootable USB flash drive with a working version of macOS, so you can access your hard drive in the event of a glitch. Lance is an experienced writer ...

Previously we created an installation image from a fresh copy of the El Capitan installer. This week we’re going to use a tool called AutoDMG to install OS X (or is that macOS?!?) and a couple of ...

Trying to burn to a single layer DVD which has 4,707,319,808 bytes available and the .dmg image uses 4,348,218,934 bytes yet Disk Utility insists "The disc inserted does not have enough free space." I ...

For the past few weeks, developers have had access to pre-release versions of OS X 10.1 in two ways: (1) CDs containing the software have been periodically mailed out and (2) a version has been ...