Sorry you can only use the Online web version on iPad and devices. Although there is a Mobile App that is a portal to the Online version. You need a full Windows or Mac computer to install the Desktop program.
Window System Requirements
https://ttlc.intuit.com/community/system-requirements/help/minimum-system-requirements-for-turbotax-...
Mac System Requirements
Online System Requirements
https://ttlc.intuit.com/community/system-requirements/help/turbotax-online-system-requirements/01/25...
