I have an iMac 21.5 inch, Late 2013. How can I install Big Sur?

If the user wishes to explore the Apple Trade-In  Process where the Value of the exiting device could be used against the cost of a new Apple Computer, iPhone or iPad  

Or Shop Refurbished Apple computers at an Apple Reduced Cost

Have used both previously and have been satisfied each time.

You can't on that model. Try using the online version of TurboTax in your web browser.

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