Things You'll Need
Instructions
Turn on the PlayStation 3 and enable Internet access. This is usually accomplished by plugging in your Ethernet cable into the PlayStation 3.
Create a new account on your PlayStation 3. Do this by accessing the PS3's main menu, scrolling over to "Users," and scrolling down until you see "Create New User."
Log onto your newly made account. You must do this to establish a link with your PlayStation 3's on-console account and your impending PlayStation Network account.
From the PlayStation 3's main menu, scroll right until you reach an icon labeled "PlayStation Network." Scroll down at that icon until you reach "Sign Up for PlayStation Network."
On the main menu of the PlayStation Network option select "Create New Account (New Users.)" Fill out all of your information and read over Sony's policies. Once completed, you have successfully created a PlayStation Network account.