MacBook Air update
What updates available for macOS High Sierra - MacBook Air 13 inch, Mid 2011
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What updates available for macOS High Sierra - MacBook Air 13 inch, Mid 2011
Sorry, High Sierra 10.13.6 is the newest update.
See the following from Identify your MacBook Air model - Apple Support
MacBook Air (13-inch, Mid 2011)
Model Identifier: MacBookAir4,2
Part Numbers: MC965xx/A, MC966xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Sorry, High Sierra 10.13.6 is the newest update.
See the following from Identify your MacBook Air model - Apple Support
MacBook Air (13-inch, Mid 2011)
Model Identifier: MacBookAir4,2
Part Numbers: MC965xx/A, MC966xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
MacBook Air update