Instructions
Go to the "PlayStation Network" icon on the PS3 menu. Scroll down, and select "Sign up for PlayStation Network."
Select "Create a New Account." Select "Continue" to skip through the initiation screen. Enter your preferred language, country and birthday. Select "Accept" to accept the User Agreement.
Use the on-screen keyboard to enter an email address and password. The email address must not be connected to another PSN account. Select a security question with an answer you'll remember in the event that you forget your PSN account information. Enter your PSN user name using the on-screen keyboard. If the name is taken, you will be prompted to select another one.
Enter your name and address, and select any notifications you wish to receive via email. Verify that the information on-screen is correct, and select "Confirm." Choose to fill out an optional survey, and select an avatar for the PSN account.