Fill out form DS-11 online or by hand. Do not sign the form until you are asked to do so by an Acceptance Agent. Provide current and accurate information including your Social Security Number.
Submit the form in person at a Passport Agency, Acceptance Facility or other approved location.
Provide evidence of your U.S. citizenship; this can be a certified birth certificate, Consular Report of Birth Abroad (CRBA), naturalization certificate or certificate of citizenship.
Present a valid, current form of identification; acceptable forms include a driver's license or a government or military I.D. card. Also, bring a photocopy of the document you're using to identify yourself for your passport file; the copy should be both sides of the I.D. on one side of 8.5-by-11-inch paper in black-and-white.
Provide a 2-by-2-inch passport photo taken of you in the last six months showing your unadorned face and head on a neutral background. Any photography studio will be familiar with the requirements for passport photos.
Pay the applicable fee and wait four to six weeks for delivery. For an additional fee you can have your request expedited. Check with a passport office or the State Department website for a current fee schedule.