How do I file my 2020 taxes now and distinguish on turbo tax it's for 2020 not 2021?

[Anonymous_]

See https://turbotax.intuit.com/personal-taxes/past-years-products

You need to use a 2020 desktop version of TurboTax (which must be installed and run on a computer).

[Mike9241]

online is no longer available for 2020 and you can not e-file it. you must purchase a version of the desktop app and then print and mail your return. 

https://turbotax.intuit.com/personal-taxes/past-years-products

make sure your computer meets minimum system requirements

https://turbotax.intuit.com/personal-taxes/cd-download/tta-system-requirements