where do i enter my product key?

[DoninGA]

See this TurboTax support FAQ for installing the desktop software with the license code - https://ttlc.intuit.com/turbotax-support/en-us/help-article/license-information/install-turbotax-cd-...

[VolvoGirl]

It looks like you may be in the Online version.   People who bought the Desktop program have accidentally got into the Online version.  If you have a License Code you need to install the Desktop Download program and not use the Online version.  How to install with a License Code

https://ttlc.intuit.com/community/tax-topics/help/activating-turbotax-cd-download-software/00/852971

If you entered your info into the Online version you can move it to the Desktop program without paying for Online.   To continue in the desktop version see this…….

https://ttlc.intuit.com/community/choosing-a-product/help/how-do-i-switch-from-turbotax-online-to-th...