If you have the tax data file ending in .tax2020 you need the 2020 program installed to open. it. Did you buy the Turbo Tax Desktop program? If you paid for the Online version they may give you the Desktop program download. You need a full Windows 8.1 or higher computer to install it on. What Windows version do you have?
Here are the system requirements to install Turbo Tax for Windows…..
https://ttlc.intuit.com/community/system-requirements/help/minimum-system-requirements-for-turbotax-...
You can buy the program here,
https://turbotax.intuit.com/personal-taxes/cd-download
Contact Customer Service
5am-9pm Pacific Time
7 days a week
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
