Locate the “Profile URL” field in the basic information section.
Click inside the box containing the gray text that says, “Select a URL!”
Type your custom URL address into the box, and click the Save button when you are finished.
Read over the confirmation message carefully. If you wish to make a change to your address, click the Cancel button and type in your new address. If you do not wish to make changes, click the OK button to save your address.
If the address you selected has been taken, or contains banned content and/or unsupported characters, you will be asked to choose a different address.