No you can't do that in the Online version. Only in the Desktop program. You can use your current return to prepare the estimates. I won't mess up your real 2023 return. Just be careful not to change your 2023 info. Only work in the estimate section.
Federal Taxes or Personal (Deskop H&B)
Other Tax Situations
Other Tax Forms
Form W-4 and Estimated Taxes - Click the Start or Update button
