If I am using the standard deduction. I not have schedule 3. Why are you now saying I have to use your Delux up grade?

You may have one of the following situations not covered in TurboTax Free Edition:

Itemized deductions (Schedule A)
Business or 1099-MISC income (Schedule C)
Stock sales (Schedule D)
Rental property income (Schedule E)
Credits, deductions and income reported on schedules 1-6, such as the Student Loan Interest Deduction