I found the answer to my question "Where can I buy old versions of TurboTax?" on the TurboTax FAQs at this link: <a rel="nofollow" target="_blank" href="
https://ttlc.intuit.com/questions/1900594-where-can-i-buy-old-versions-of-turbotax">https://ttlc.int.... "You can purchase the TurboTax software for tax years 2015, 2016, and 2017 at our Past Years' Product page."
