The instructions on how to properly file a Form 1040 are here (114 pages). While this is not rocket science, it will probably be overwhelming to follow these instructions for a first-time taxpayer. You may wish to considering a tax professional to assist you, if you find it to be too difficult.https://www.irs.gov/pub/irs-pdf/...Very likely, you will also have to go through a similar procedure for filing your state income tax return.