Things You'll Need
Instructions
Plug the USB media storage device into your computer's USB input, and create a folder on the USB device called "PS3." Open that folder, and create another folder inside it named "UPDATE."
Download the PS3 system update onto your computer from the PS3 update site. Drag the update file into the "UPDATE" folder on the USB storage device, and eject the USB device from your computer.
Plug the USB storage device into the PS3, and turn the PS3 on. Select the "Settings" icon on the PS3 main menu, and select "System Update." Select "Update via Storage Media" on the next screen.
Select "OK" to install the update from the USB storage device. The PS3 will update and restart itself.
Select the PSN icon on the PS3 main menu, and the "Sign Up for PlayStation Network" page will appear. Select "Create a New Account."
Enter your date of birth on the next page and select "Continue." Select "Accept," and your PSN account and your PS3 will be registered.