How do I get lic # for my downloaded product? I want to get into my return and it won't let me.

After you file

See this TurboTax support FAQ for the license code - https://ttlc.intuit.com/community/tax-topics/help/i-can-t-find-my-license-code/01/852973

After you file

Did you already install and use it? Is it asking for the License Code again? There is this,

Turbo Tax asks for the License Code each time you start
https://ttlc.intuit.com/community/tax-topics/help/turbotax-2019-requests-license-activation-at-every...