Did you get the program installed? From the download or the CD? Windows or Mac? Try reinstalling it. It should ask for the code during installation. Here's some FAQ about the Code, but it doesn't say where to enter it.
What is a License Code and why do I need one?
https://ttlc.intuit.com/community/tax-topics/help/why-am-i-being-asked-for-a-license-code/01/872421
Where is the License Code?
https://ttlc.intuit.com/community/tax-topics/help/i-can-t-find-my-license-code/01/852973
My Code doesn't work
https://ttlc.intuit.com/community/tax-topics/help/my-code-doesn-t-work/01/871966
