The update is available for Intel-based iMacs running OS X 10.7 or later and weighs in at 481KB. It is available via the Software Update application on compatible iMacs, or as a downloadable installer at the Apple Support website.
The update is available for Intel-based iMacs running OS X 10.7 or later and weighs in at 481KB. It is available via the Software Update application on compatible iMacs, or as a downloadable installer at the Apple Support website.