Go to www.facebook.com
At the bottom of the welcome page you will see Create page for celebrity, band or business.
A page will pop up for you to choose what kind of page you want to have.
From here you can either choose business/place or company/organization/institution depending on what kind of page you want.
After clicking on one of the two squares, it will come up with a form to fill out with information about the page.
Check the "I agree to Facebook Page Terms" button and click Get Started. You are now on your way to creating a fan page!