This link will take you to the website. You will then have to take out a policy. After 30 days of holding the policy, you will receive a £20 Amazon voucher code via Email.

To be eligible for a voucher, the new customer needs to subscribe to a Sky TV package or one that includes Sky TV. As long as your friend uses the unique code you have sent them and completes the order, you'll receive your reward within 15 days of when they go active and their services are installed. If you’re being introduced to Sky TV, your services have been installed and you've been active for 30 days, we'll send you an email to claim your reward. You'll then have 90 days to claim this before it expires. Once claimed, delivery of your reward will be within 15 days.