Sony PlayStation recently rolled out the 3.10 firmware update for the PlayStation 4 console. Among the new features introduced with this update is the Notification setting, which allows users to set alerts for game and event invitations, community activity, and even changes to their music settings.
Enable or Disable Pop-Up Notifications on the PS4
Go to Settings > Notifications. From here, you will be able enable or disable the pop-up notifications for all available items.
Alternatively, you can perform updates directly from your console by going into Settings > System Software Update, or by downloading the update file and installing it from a USB key.