Sorry Turbo Tax only sells the last 3 years back to 2020. Online is only good for the current year. You can buy the last 3 years of Turbo Tax here,
https://turbotax.intuit.com/personal-taxes/past-years-products/
You will need a full Windows or Mac to install it on.
How to prepare a prior year return
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-prepare-a-prior-year-tax-return/00/25...
For older returns you have to go somewhere else or get the blank forms from the IRS. Here is the link to all the prior year IRS forms
Prior Year Forms and Instructions | Internal Revenue Service
