Everything you do is at your own risk.
Place the ziggo_mediabox_xl folder in the custom_components folder.
Reboot Homeassistant. Check if it works again. Note: Be shure that the mediabox is in your network.
Place the ziggo_mediabox_xl.py folder in the dependencies. Use the same file structure.
Reboot Homeassistant. Check if it works again. Note: Be shure that the mediabox is in your network.