If you have not filed, to enter your state estimated tax payments you paid during 2017, please follow these steps:
In TurboTax online program,
1. Sign back into the program and select Take me to my return
2. At the right upper corner, in the search box, type in estimates paid and Enter
3. Select Jump to estimates paid
4. On the screen, Estimates and Other Income Taxes Paid, under State estimated taxes for 2017, select Start
5. Follow prompts to enter information