How can I load Big Sur on IMac late 2012? New turbotax won't run without this OS?
How can I load Big SUR on ImAC late 2012
iMac 21.5″, macOS 10.13
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A late 2012 iMac can be upgraded to Catalina 10.15.7 but no later.
The TurboTax 2022 CD/Download software requires macOS Big Sur or later. See: https://turbotax.intuit.com/personal-taxes/cd-download/tta-system-requirements
If you can't or don't want to upgrade your macOS, another option is to use TurboTax Online https://turbotax.intuit.com. It is excellent and will run on macOS Mojave 10.14 or newer. See: https://turbotax.intuit.com/personal-taxes/online/system-requirements