If you have not paid for the online edition you are using, have not filed your tax return or registered the Free edition, then you can clear your return. Click on Tax Tools on the left side of the program screen while working on the 2021 online tax return. Click on Clear & Start Over.
Then just close the TurboTax window on your browser.
If you want to use the TurboTax desktop CD/Download edition software to be installed on a personal computer go to this TurboTax website for the 2021 tax year desktop editions - https://turbotax.intuit.com/personal-taxes/cd-download/
