If you have Virgin as your internet supplier you will first need to disable your Web Safe. Log in to your My Virgin Account and disable it or you will be limited to what you can view. Information how to do it is here.
If you have BT as your internet supplier you will need to disable parental control or you will be limited to what you can watch. Information how to do it is here.
Also after you have followed the above information to disable the parental controls online with BT you must also open a browser on your Smart TV box when you first install it and go to a web site E.g. news and your HomeHub will ask again about parental controls please click NO as per this video here.
BT SMART SETUP – go to your router ip address should be 192.168.1.254 – Navigate to advance settings at the top enter password (should be on the card that came with router) – Click home network, Click No on enable smart setup then click apply.
If you have Sky as your internet supplier you will need to disable your Sky Shield. Information how to do it is here.
If you have EE as your internet supplier you will first need to disable your Orange Safeguard. Information can be found here.
TalkTalk as your internet supplier you will first need to disable your Home safe security. Information can be found here.