To print or save a return, you must have purchased credit for the year.
If you are a student, you must have registered for the Commercial version, which requires payment. PTO for students is offered and supported under a separate Education Program. See this link for more info and contact support of the Education Program if you need help: https://www.intuit.com/partners/education-program/products/proconnect-tax-online/student-signup/
Still an AllStar