@mwilcox1 @Jill V @Anonymous @gyrowrestler @benmarti710 I was finally able to get to the sign in work by following the suggestion Ron1000 tried as explained in the following link
https://ttlc.intuit.com/community/investments-and-rental-properties/discussion/re-when-i-try-to-import-from-fidelity-inv-tt-indicates-that-i-need-to-sign-into-intuit-but-the/01/2910409#M98075
Shame on Turbotax for not making it work properly at the first place, but it's a workaround for now, at least worked for me.
