Where did you get the License Code? Did you get the program installed or are you trying to download the program?
How to download Turbo Tax if you can't use the CD
https://ttlc.intuit.com/community/installing/help/i-bought-the-cd-but-my-computer-doesn-t-have-a-cd-...
How to install on Windows
https://ttlc.intuit.com/community/refund-status/help/how-do-i-install-the-turbotax-software-for-wind...
How to install on Mac
https://ttlc.intuit.com/community/installing/help/how-do-i-install-the-turbotax-software-for-mac/00/...
How to activate the Desktop CD/Download program
https://ttlc.intuit.com/community/tax-topics/help/activating-turbotax-cd-download-software/01/852971
