Sign in and open your return, Click “Pick up where I left
off” (for online)
Type estimated tax payments into the search box and click the “Jump to estimated tax payments” link
Click Start next
to the type of entry you wish to make
OR-
Click Federal
Click Deductions
& Credits
Scroll down to "Estimates
and Other Taxes Paid” Click Show
More
Scroll down to "Estimated
Tax Payments" Click Start
OR
Scroll down to “Income
Taxes Paid” and click Start