If you have to file Form 8862 to claim the Earned Income Credit for the 2018 tax year:
1.) After you have completed the Personal Info and Wages & Income sections of TurboTax, click on the Deductions & Credits section of Federal Taxes
2.) Choose I'll Choose What I Work On
3.) Click on either Start or Update next to Earned Income Credit under the You and Your Family subsection
4.) Click Continue
5.) On the screen Do any of these uncommon situations apply?
Select
I got a letter/notice from the IRS telling me to fill out an 8862 form to claim the Earned Income Credit
6.) Answer the questions on the next few screens regarding Form 8862 to complete it