Get your taxes done using TurboTax

@mkad - What exactly are you trying to prove?

NO new Mac software  developed using Apples software development tool set will support Apple  OS's earlier than OSX 10,12.  That is an Apple discussion, not TurboTax.

TurboTax builds its Mac software using the Apple development tools.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**