There is no license code required when using the TurboTax online web-based editions where you have to access the 2023 tax return with a User ID and Password.
The license code is only required when using the TurboTax desktop CD/Download editions that are installed on your personal computer. You never access the TurboTax online editions when you have installed the desktop software.
See this TurboTax support FAQ for the license code - https://ttlc.intuit.com/turbotax-support/en-us/help-article/product-system-requirements/find-license...
See this TurboTax support FAQ for installing the desktop editions with the license code - https://ttlc.intuit.com/turbotax-support/en-us/help-article/license-information/install-turbotax-cd-...
