Adding a third child to your TurboTax return would require you to go to the dependent section of the return and follow the guidelines to answer the questions regarding adding that third child to your return as a dependent or in whatever capacity you need to do.
Please follow these steps to add a dependent:
- Login to your TurboTax Account
- Click "My Info" from the left side of your screen
- Scroll down to "+Add a dependent"
Please see Who can I claim as my dependent? for additional information.
Refer to the following link for additional information:
Add additional dependent to return
