If you had no income to report in 2015 or 2016 then there is no reason to file a tax return nor would you be required to file a tax return.
For financial aid you can provide a Verification of Non-filing Letter from the IRS for the non-filing of a tax return.
Go to this IRS website for information on transcript types and how to order (online or by mail) - <a rel="nofollow" target="_blank" href="
https://www.irs.gov/individuals/tax-return-transcript-types-and-ways-to-order-them">https://www.irs....>
