Will we/I have to update IOS to use Turbotax next year?

[bhaveshp]

I'd recommend test installing Monterey on an external SSD using OCLP which looks like it'll work fine on your machine.

Read the following:
https://www.reddit.com/r/MontereyPatcher..._mid_2012/

https://dortania.github.io/OpenCore-Lega...-DROP.html

That would definitely be good enough to run Turbotax, but maybe it'll give a couple of years of added use of the MBP.