Deductions & credits

Thank for the answer. At this point though I don't understand why the TurboTax software, having this piece of information allowed me to move on. I have already paid but I now find myself with the wrong form. I have a 1040 instead of a 1040NR. What am I supposed to do? I don't think paying twice is fair, which is what I have to do if I now try to file with Sprintax.