can macbook air install "macOS High Sierra" 10.13.6?
can macbook air install "macOS High Sierra" 10.13.6? 2011' A1370?
MacBook Air 11″, macOS 10.13
Question marked as
A mid 2011 can install High Sierra.
See instructions in see instructions in: How to download and install macOS - Apple Support
Be sure to have a current backup before upgrading (a good idea even when not upgrading).
Also 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