To pay self employment tax? Self employment tax is part of your overall tax return. It either increases your tax due or reduces your refund. You don't pay it separately. You select how to pay a tax due when you go go the File tab right before you file your return.
Do you need to enter estimated payments you made?
Or prepare estimates for 2020?
Please give more details on what you need to enter. Do you need to fill out schedule C for self employment?
