If you live in America, here is a step-by-step on how to do your own tax return for free online:
1. Go to https://www.irs.gov/filing/free-file-do-your-federal-taxes-for-free
2. Choose whichever option is relevant to your total income being under or over $69,000.
If you could benefit from any help, please feel free to contact me at firstname.lastname@example.org.