Sorry---desktop software cannot be used on an iPad. It can only be used on a full PC or Mac. If you cannot upgrade your OS to support 2019 Premier then you could use online TT instead of desktop. Did you purchased the software from TT?
Call customer support.
To call TurboTax customer support
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
They are available from 5 a.m. to 9 p.m. Pacific time
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
