Only you can get a copy. Turbo Tax can't send it to you. Did you use the Online version for 2020?
How to Access prior year online returns
https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-access-my-prior-year-return/00/270...
If you can't get the side menus to open up to access the prior year..... You need to start entering some basic Personal Info in 2021 for the side menu to open up. Just continue a little ways into 2021.
Or request a transcript from the IRS
https://www.irs.gov/individuals/get-transcript
