No solution yet for this issue?
There are 6 months and still cannot install Big Sur to my iMac.... Any solutions???
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macOS Big Sur is compatible with these computers and if it appears on this list - it should be able to run Big Sur.
How to upgrade to macOS Big Sur and Especially check for the Empty Space Requirements. 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.
Tips How to Upgrade to Big Sur and suggest reading Before attempting the upgrade to Big Sur.
