Proceed through the section, enter your figures, and answer the questions in the program. The procedure is relatively basic provided you are entering an exchange of only one property for one other property (i.e., you did not exchange multiple properties, which gets extremely involved).
If you get stuck, you can post the exact details here. You can also contact Support (link below) during regular business hours.
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632