sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ Mavericks.app

Two years later, the file had over 12,000 downloads. And somewhere, another Alex was bringing a white iMac back to life.

It was the spring of 2019, and Alex had a problem. Not a life-or-death problem, exactly, but the kind that gnaws at a retro-computing enthusiast. He’d just rescued a pristine, snow-white iMac from 2009 from a university surplus auction. The machine booted to a flashing question mark—no OS, no recovery partition, no hope of an internet restore because the old beast’s Wi-Fi card only spoke the now-obsolete WEP dialect.

The following Mac models are compatible with OS X 10.9 Mavericks: