You may have seen this TT special offer:

Free Federal and State returns, plus a free expert final review.  Simple tax returns only.  File by February 15.

You are looking at the web page which advertises the Live Basic edition for Free but must be filed by 02/15 to keep from being charged for that edition.

April 15, 2021 is the due date of the 2020 tax return if you have taxes owed and want to avoid a failure to pay an failure to file penalty.