To check or enter this payment information in TurboTax Online:
If you’re on the Hi TurboTax Client, let's keep working on your taxes! screen, click the Pick up where you left off button. Otherwise,
Click Federal in the left pane, if you’re not already there
Click Income & Expenses in the banner
Scroll down and click Show more to the right of Estimates and Other Taxes Paid
Select Start to the right of Estimated Tax Payments
On the Estimated taxes screen, select Start or Edit to the right of State estimated taxes for 2021
Enter all relevant information on the subsequent screens
You can also check your federal estimated tax payments using much of the same path above.