Access to prior year returns.
You can get a free transcript from the IRS:
https://www.irs.gov/individuals/get-transcript
How do I get a copy of a return I filed using online TurboTax?
https://ttlc.intuit.com/questions/1900748
How do I get a copy of a return I prepared using desktop TurboTax?
https://ttlc.intuit.com/questions/1900639
How to upgrade to PLUS
https://ttlc.intuit.com/questions/3796106-why-do-i-have-to-pay-to-access-my-prior-year-return
Note: While you still can, print a copy of your current year tax return and save it as a pdf, too. That way you will have it when you need it for school, a loan, etc. without going through a lot of aggravation to get it.
Access to prior year returns.
You can get a free transcript from the IRS:
https://www.irs.gov/individuals/get-transcript
How do I get a copy of a return I filed using online TurboTax?
https://ttlc.intuit.com/questions/1900748
How do I get a copy of a return I prepared using desktop TurboTax?
https://ttlc.intuit.com/questions/1900639
How to upgrade to PLUS
https://ttlc.intuit.com/questions/3796106-why-do-i-have-to-pay-to-access-my-prior-year-return
Note: While you still can, print a copy of your current year tax return and save it as a pdf, too. That way you will have it when you need it for school, a loan, etc. without going through a lot of aggravation to get it.