Hopefully you did your return in a different account from your parents. Online is only good for 1 account and return.
How to get a copy after filing
https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-get-a-copy-of-a-return-i-filed-thi...
How to download all forms and worksheets
How do I get a copy of a return I filed this year in TurboTax Online?
