Are you running TT from your browser? then you likely started using an on-line version of TT. It wants you to pay for that on-line version - but you do not need to do that!
You will need to transfer the return you have started to your computer. Then close the on-line version. Then load or open the CD version that you have. Then use the local TT software to open that file that you just transferred.
Read this page:
https://ttlc.intuit.com/community/choosing-a-product/help/how-do-i-switch-from-turbotax-online-to-the-turbotax-software/00/26129