If you filed using
TurboTax Online, you can log into your account, making sure to log into the
same account you used in the prior year and download or print your prior year
tax return by following the instructions below:
https://ttlc.intuit.com/replies/3301525
You can also get
free transcripts of your federal return from the IRS - Get Transcript
You can order a copy
of your return from the IRS you may using this form, but there is a $50.00 fee
Request for Copy of Tax Return