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Update MacBook Air

There are no updates available for my MacBook Air 2015, latest version I have is OS X El Capitan. How can I upgrade it?


MacBook Air

Posted on Jul 23, 2021 6:22 AM

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9 replies

Jul 23, 2021 6:51 AM in response to sheryl_a_b_b_7

One might be better served upgrading to High Sierra first as it will better position the computer for the eventual move to Big Sur. The upgrade to High Sierra should convert the Internal Drive to the new APFS filing system needed in Big Sur. Plus give you time to access getting newer application that are 64 Bit as Big Sur ONLY Supports everything 64 Bit. There is not workaround for anything 32 bit. Mojave was the last to support 32 bit.


With the above information in-hand - follow this How to get old versions of macOS and verify what version this computer Qualifies to install. Make sure to use Only Safari to commence the download as Others may not work


Make a Time Machine Backup Before attempting. Notation - Mojave is the Last version to support 32 bit applications / extensions and Drivers. Catalina and Big Sur Only support 64 bit and there is no workaround.


Are there any AntiVirus, Disk Cleaner, Optimizers, Un-installers, etc installed which should be removed as per Developers Instructions. They are useless, unneeded, cause havoc and interfere with the normal operation of the OS and may even Corrupt the OS requiring a Reinstallation

Update MacBook Air

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