Once upgrade you will be able to continue to apply the latest updates. MacBook Air 11" Early-2015, 2017 (MacBookAir7,1). MacBook Air 13" Early-2015, 2017 (MacBookAir7,2). USB patched to allow upgrading older unsupported Macs like iMac 2014 or Macbook Pro 2012 or Mac Mini.
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