The dialog is not asking me to tell about my tax pre-payments I made during 2018. Where do I put them in?

You can type estimates paid in the search box at the top of your return and click Find and it will give you a link to Jump To it.

OR
To enter Federal or State Estimated Taxes Paid, including a state estimated payment made in January for the prior year, go to
Federal on left or at top.  Personal (Home & Business)
Deductions and Credits at top
Then scroll way down to Estimates and Other Taxes Paid
Estimated Taxes - click the Start or Update button

Estimates paid will be on Schedule 5 line 66 which goes to 1040 line 17.

Added some screen shots

https://ttlc.intuit.com/questions/4530507-where-do-i-enter-the-estimated-taxes-paid-in-2018

Thank you VolvoGirl and SweetieJean!  That's exactly what I needed.