Trying to input 2015 estimated tax info .but i saw know where that asks for that information

Please clarify the year and what you are needing to enter.   Are you referring to Federal or State estimated taxes paid?

To enter the estimated tax payments in TurboTax for the current year you are working on, go to:

To enter estimated taxes paid (Federal, State, Local)

• Click on Federal Taxes 
• Click on Deductions and Credits
• Click on I'll choose what I work on (if shown)
• Scroll down to Estimates and Other Taxes Paid
• On Estimates, click on the start or update button
• Enter the Estimated tax payments in this section.