When, it made a point of noting how many devices would be able to take advantage of the updated mobile operating system and its new features: All iPhones and iPads from 2013 to the present, just like iOS 11.
, Apple's upcoming desktop OS also announced at WWDC, did not receive the same attention. When it's available available this fall as a free software update for Macs, it will only run on systems from mid-2012 or later, plus 2010 and 2012 Mac Pro models with recommended Metal-capable graphics cards.
To be more specific:
- MacBook (Early 2015 or newer)
- MacBook Air (Mid 2012 or newer)
- MacBook Pro (Mid 2012 or newer)
- Mac Mini (Late 2012 or newer)
- iMac (Late 2012 or newer)
- iMac Pro (2017)
- Mac Pro (Late 2013, plus mid 2010 and mid 2012 models with recommend Metal-capable GPU)
By comparison, Apple's current MacOS, 10.13 High Sierra, can be run on:
- MacBook (Late 2009 or newer)
- MacBook Pro (Mid 2010 or newer)
- MacBook Air (Late 2010 or newer)
- Mac Mini (Mid 2010 or newer)
- iMac (Late 2009 or newer)
- Mac Pro (Mid 2010 or newer)
If you're not sure what model or year your Mac is,.