To get rid of the saver credit---go to the section for that credit and tell the software you were a student. That will disqualify you for the credit and allow you to stay in Free Edition.
Federal>Deductions and Credits>Retirement and Investments>Retirement Savings Contribution Credit
Or—-Use this IRS site for other ways to file for free. There are 8 free software versions available from the IRS Free File site
https://apps.irs.gov/app/freeFile/
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