Sorry you can not install the Desktop program on an iPad. You need a full Mac or Windows computer. If you don't have a computer you need to get a refund and can use the Online web version.
Contact Customer Service
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Monday-Friday
https://support.turbotax.intuit.com/contact/
What is the Turbo Tax phone number
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632
