If you've already a Sony Entertainment Network account, follow these simple steps to set up an Online ID.
Your Online ID is your publicly displayed name in PlayStation Network. It is displayed when you play online games and use other online features, plus you need to have one linked it to your Sony Entertainment Network account in order to sign in to eu.playstation.com so you can access your latest trophy information.
If you already have a Sony Entertainment Network account, follow these steps to create your Online ID in a matter of minutes.
1. Visit sonyentertainmentnetwork.com on PC
Ensure you have not blocked pop-ups on your browser window and select Manage Account in the top right-hand corner of the screen.
2. Sign in to sonyentertainmentnetwork.com
3. Select Devices
4. Select PlayStation® Systems
5. Select Update Account
6. Enter account information
Follow the on-screen instructions to complete registration. When selecting an Online ID, it must be between three and 16 characters and can consist of letters, numbers, hyphens (-) and underscores (_).
Note: You cannot change your Online ID once it has been created.
That's it. You're now set up to enjoy the full range of services PlayStation Network offers.