Hayu will be available on Amazon Channels in the UK, Canada, Germany, Austria, Netherlands, France, Italy and Spain via Prime Video. You can sign up to the service here: www.Amazon.co.uk/channels
Please note, Amazon Channels is a standalone subscription billed via Amazon. For billing & support on your Prime Channels Subscription, please contact Amazon Customer Services using your Amazon account at this link: www.amazon.co.uk/gp/help/customer/display.html