I just filed taxes with my wife for 2018. In Jan of 2019 I started my own business; I understand its nearing time to file 1/4. How do I start?

Here is how to prepare estimated tax vouchers for your new business in TurboTax:

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Click add a state or amend to get back into your tax return, but you will actually do neither

Go to Federal

See Other Tax Situations

Scroll to Other Tax Forms

Select W-4 and Estimated Taxes

You will want to alter the recommended estimates

Use the information on page 27 of the follow to calculate your payments: https://www.irs.gov/pub/irs-pdf/p505.pdf

Print your estimated payment vouchers and make the first payment by April 15, 2019