That’s an email address, not a link.
You are supposed to write to it, stating your request.
We are all customers here, like you; we can advise you where to go to make your request, but none of us can fulfil it for you.
@JAMIEBEE this is a customer community so no one from Now will read your comment and cancel your membership. You can do it by following the linked instructions. If you have more than 1 membership, you'll need to cancel them all individually.