Fill out your form(s) online and print it. All required supporting documents for the form(s).You may apply for your passport at the Office of the Clerk of the Circuit Court, Probate Division, on the 12th Floor of the Daley Center, 50 West Washington St. Our form wizard will help you and your family know what passport form(s) to use. Use our Form Filler to fill out your form and print it. For the best experience, use a desktop or laptop computer. Step One: Confirm you meet the requirements. Step Two: Fill out your form and print it. Use our Form Filler to fill out your form and print it. For the best experience, use a desktop or laptop computer.