The IRS provides downloadable 1040 tax forms on its website. Go to IRS.gov and click Forms & Pubs at the top of the page. Scroll down the Forms & Publications page to find the tax forms. Click the form link to open the PDF and click the Download button.
IRS.gov also offers downloadable tax form instructions and e-books. Free federal income tax filing is available by clicking Filing at the top of the page. On the Filing page, click Free File under the Your Filing Options heading. The Free File page shows different filing options according to the filers income.