If you can’t install the Desktop program you can switch to the Online version. Then you can transfer your prior year returns from the Desktop program into the Online version.
Online system & browser requirements
If you used the Desktop program last year here’s How to transfer into the Online version, expand the blue link if you used the CD/download last year
If you used the Desktop program before you may notice several differences and not like the online version. It has less features and no Forms Mode. You can only do 1 return. Your return is only saved online so be sure to save both the .tax2024 data file and the pdf file to your computer when you are done. In case you need to amend in the future or if you need a copy to get a loan or something. You might not be able to access your online return when you need a copy.
Start an Online return here,
Oh, you will have to get refund for the Desktop purchase and pay for Online separately.
Try these steps provided by TurboTax on resolving Mac issues for TurboTax Desktop: