Installing older versions of TurboTax Desktop on new Mac

[hyybid]

I've been using TT for over a decade, desktop versions, on an older Mac.

With TT 2025, it requires a newer version of Mac OS than the one I can run on my old iMac.

So I can install TT 2025 on a more recent MacBook Pro.

But I want to also install some of the older TT Mac Desktop versions as well, so that it can pull data from previous returns and show tax history.

Does it require installing the old versions of TT or just the tax return file from previous years?

In my Intuit account, it shows all the TT versions I've used and I believe registered.  Will I be able to re-download these older versions for my newer computer?

More importantly, will I be able to retrieve the activation codes I used for each version in the past or would that be stored on the installations on my old iMac somewhere?

[SteamTrain]

Be sure to create and save PDF files of each of those prior years before you do anything...and back-them-up on a USB Flash drive.

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You can probably only re-install the software for  years for 2022, 2023, and 2024  (2021...maybe, but probably not).   Activation codes should be in your intuit account, they show up in mine.....unless (perhaps) you bought them from a 3rd party, and not directly from TTX.

 TTX will only let you re-install those last three years, and nothing earlier....so get those earlier PDF files created and saved...even maybe printing out the basic filing-only copies.