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I am trying to install Big Sur on my MacBook Air

I am trying to install if sir but it won’t let me it says there is not enough free space on the selected volume to upgrade the OS an additional 1.15 GB is required. Please help. Thank you



[Re-Titled by Moderator]

MacBook Air 13″, macOS 10.14

Posted on Oct 15, 2021 11:44 AM

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Question marked as Top-ranking reply

Posted on Oct 15, 2021 11:47 AM

See the following from How to upgrade to macOS Big Sur - Apple Support

If upgrading from macOS Sierra or later, your Mac needs 35.5GB of available storage to upgrade. If upgrading from an earlier release, your Mac needs up to 44.5GB of available storage. To upgrade from OS X Mountain Lion, first upgrade to OS X El Capitan, then upgrade to macOS Big Sur.


The following may help: Free up storage space on your Mac - Apple Support

1 reply
Question marked as Top-ranking reply

Oct 15, 2021 11:47 AM in response to Mmetzler2010

See the following from How to upgrade to macOS Big Sur - Apple Support

If upgrading from macOS Sierra or later, your Mac needs 35.5GB of available storage to upgrade. If upgrading from an earlier release, your Mac needs up to 44.5GB of available storage. To upgrade from OS X Mountain Lion, first upgrade to OS X El Capitan, then upgrade to macOS Big Sur.


The following may help: Free up storage space on your Mac - Apple Support

I am trying to install Big Sur on my MacBook Air

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