You can adjust your 2018 estimated income for your 2018 estimated tax payments in the "Other Tax Situations" section of TurboTax.
To find this section, take the following steps:
- Within your return in TurboTax, select the "Other Tax Situations" tab (under Personal tab) at the top of the screen.
- Scroll down to "Other Tax Forms" and select to START/UPDATE "Form W-4 and estimated taxes."
- Follow the instructions on the screens for what you want to update.
See the sample screenshot attached.
