Download it from the IRS website at IRS.gov
Search for “Form 1040” on the IRS forms and instructions page
Request a paper copy by calling the IRS
Pick up a copy at a local IRS Taxpayer Assistance Center
Get one from a tax professional or tax preparation office
Use tax software that includes Form 1040
Ask a public library or post office if they have tax forms available
Print it from the IRS website after downloading the PDF