Yes file a 2017 return. You will need to fill out schedule C and pay self employment tax on it to get Social Security Credit. You are suppose to file a return for only $400 or more self employment income.
You can only buy the download for prior years. You need a full Windows or Mac computer to install it on. Buy the download here
https://turbotax.intuit.com/personal-taxes/past-years-products/ You have to print and mail prior year returns. When you mail a tax return, you need to attach any documents showing tax withheld, such as your W-2’s or any 1099’s. Use a mailing service that will track it, such as UPS or certified mail so you will know the IRS received the return. Don’t forget state. How to file a prior year
https://ttlc.intuit.com/questions/1900990-how-do-i-file-a-prior-year-tax-return
