As a nonresident alien you cannot use TurboTax as the program does not support IRS Form 1040-NR, U.S. Nonresident Alien Income Tax Return
See this TurboTax support FAQ for a form 1040-NR - https://ttlc.intuit.com/community/forms/help/does-turbotax-handle-form-1040nr-for-nonresident-aliens...
