You can activate your PS Vita on the system itself. You cannot activate your PS Vita using a PlayStation 3, PlayStation 4, PS TV, PSP or a computer connected to the internet.
- On your PS Vita system tap [Settings] > [PlayStation Network] > [System Activation].
- Select the type of content you want your PS Vita to use - Games, Video or Music.
- Tap [Activate] > [OK].
- You will see a message to confirm that your device is now activated or to let you know that you have already reached your activation limit for the content type.