You can file your prior year's return, please click on this link: File past years' taxes.

It gives you the option to either download software or continue online. Before starting, please make sure it says the TAX YEAR 2020, and then you can proceed to choose the right product for you and start your return. 

It is going to prompt you to step by step on filing a return after you hit Start Filing.

Thank You for choosing TurboTax.