If you are using Turbo Tax Online you can add Live expert help.
How to get LIVE
Then how to connect to an expert in Turbo Tax Live
You posted from the Free Edition.
Phone support is not provided with the Free Edition. If you are using a paid version of the software or if you purchased PLUS you can get phone support when customer support is there. Otherwise, post your question here and someone will try to help.
To call TurboTax customer support
They are available from 5 a.m. to 5 p.m. Pacific time Monday-Friday