Open your turbotax account with the same login you used that year. If you did not use a paid version of the program you will have to purchase PLUS level benefits to have the history available
follow https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-get-a-copy-of-the-return-i-filed-i...
https://ttlc.intuit.com/community/taxes/discussion/how-do-i-purchase-turbo-tax-plus/00/788703
Or you can order a transcript from the IRS https://www.irs.gov/individuals/get-transcript
Disclaimer: Not a tax professional. Information gathered from internet links. Anything dated in June 2019 was posted in prior years and is before the 2019 limits and changes.
