all desktop versions allow for the annualized income method for the 2210.
WARNING: if you override any line or form in Turbotax, you will not be able to e-file.
click on the Federal Taxes Tab. Below that you should see"Other Tax situations". Click on that. In the section for "Additional Tax Payments" click on the "Underpayment of Penalties" link. Answer the questions or click on the links on the following pages. Eventually, you'll come to a page that says "Annualized Income Method". Click yes to use this method.
if "No" Turbotax will ask other questions that relate to items A through E in part II of the 2210
if you have withholding you can use either 1/4 for each period or the actual withholding for that period (that's a different section than above)
