If you are an Advantage subscriber and did not receive an email that your software was available in November, then you need to check your subscription information for correct email address, credit card information, etc. Was your credit card showing a charge for the software in November?
See this TurboTax support FAQ for checking or updating the Advantage subscription - https://ttlc.intuit.com/questions/1900547-how-do-i-update-or-confirm-the-info-in-my-turbotax-advanta...
Use this website to check on any orders or payments - http://turbotax.intuit.com/commerce/orderstatus/orderstatus.jsp
If a 2017 order is shown on the order status website, then sign onto your download account with your Advantage user ID and password to download the software - https://shop.turbotax.intuit.com/commerce/account/secure/login.jsp?pagecontext=download