You need at least 30 Mbit / s towards Holland to experience trouble-free viewing.
You can test this for your speed at https://www.speedtest.net/
No, it's strictly forbidden. You can only use your subscription on one device at a time, even if the other devices are in the same household.
We have extra connections you can buy to look at more devices at the same time.
Yes absolutely. Make sure you have a good internet connection.