I need a desktop copy so I can do what if analysis
You can buy it here. It is only for Windows.
https://turbotax.intuit.com/small-business-taxes/
Check Amazon as well (they occasionally offer better prices)..
https://www.amazon.com/TurboTax-Business-Software-Exclusive-Download/dp/B0BH5MHVH3/ref=sr_1_4?keywords=turbotax+2022&qid=1668038217&sr=8-4