@Peter913 - minimum system requirments for the ONLINE version....you could use that.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/product-system-requirements/turbotax-onl...
Mac OS X 10.15.x (Catalina)
- Safari 13.x
- Chrome 77.x
- Firefox 70.x
- Edge
- Opera 64.x
