2021 software is already available.
2021 TURBOTAX
CD/DOWNLOAD (This requires a full PC or Mac—-cannot be used on a mobile device)
https://turbotax.intuit.com/personal-taxes/cd-download/
You can also purchase the CD/download from various retailers such as Costco, Amazon, Walmart, Best Buy, Staples, Sam’s Club, etc. etc. etc.
This link Where can I obtain authentic TurboTax software? has a list of authorized TurboTax resellers.
When you use desktop software, there is an additional fee to e-file a state return. You can avoid that fee if you print, sign and mail the state return. The state e-file fee is $19.99 and increases in March.
https://ttlc.intuit.com/community/system-requirements/help/minimum-system-requirements-for-turbotax-mac-software/00/25609
https://ttlc.intuit.com/community/system-requirements/help/minimum-system-requirements-for-turbotax-windows-software/00/26175
ONLINE 2021
https://turbotax.intuit.com/personal-taxes/online/
And just so you know—online prices go up in March