Are you sure you downloaded and installed the 2021 Desktop program on your computer? Or maybe you used the Online version instead?
Or you may have bought it in a different account. It's common to end up with multiple accounts. First LOG OUT of whatever TurboTax account you're logged into right now. Then use this TurboTax account recovery website to get a list of user ID's for an email address. Run the tool against any email addresses you may have used
https://myturbotax.intuit.com/account-recovery/
Or check your credit card statement to see where you bought it from. Maybe you got it at Amazon or Costco, etc.
