I just finished my personal taxes for 2023. I started a business and need to do my quarter one taxes for 2024. ie 1040 Es for 2024 How do you do this in turbo tax.

You can prepare vouchers for federal and state if necessary.   

Estimate next year's federal taxes

Estimate next year's state taxes

To prepare or edit  estimates for next year you start with your current return, but be careful not to change anything.  If you can't get back into your return, Click on Add a State to let you back into your retun.

You can just type W4 in the search box at the top of your return , click on Find. Then Click on Jump To and it will take you to the estimated tax payments section. Say no to changing your W-4 and the next screen will start the estimated taxes section.

Or Go to….

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

In the Desktop program you can switch to Forms and open the Estimated Tax Payments Options sheet.  You can even select to print the estimates with just your personal info and no amounts.  You  can play with and tweak the amounts.  You can open the individual 1040ES forms and override the amounts.