Sign in to your TurboTax account and continue through your prior year summary. Make sure you're using the same TurboTax account (user ID) as in prior years. On the next screen, scroll down and select Your tax returns & documents. Select the year you want, then select Download/print return (PDF).

How do I access a prior-year return?

https://ttlc.intuit.com/turbotax-support/en-us/help-article/prior-year-tax-return/access-prior-year-...