Here are some links that can be helpful:
For a schedule C 1040, sole proprietor LLC
https://turbotax.intuit.com/
If you have a S corp or partnership return you while use this link for the online version:
https://turbotax.intuit.com/small-business-taxes/
A downloadable version is possible on TurboTax Desktop:
https://turbotax.intuit.com/personal-taxes/cd-download/
https://turbotax.intuit.com/small-business-taxes/cd-download/
You can also try different usernames within the same e-mail. Here is a link that you can use if you have trouble logging in:
https://ttlc.intuit.com/turbotax-support/en-us/help-article/security-risk/account-recovery-request-t...
