Watching HBO NOW on windows 10 laptop, how can I do it?

[Windows Central Question]

Watching HBO NOW on windows 10 laptop

I am in Canada and old and not tech inclined at all -- I want to get HBO NOW streamed onto my laptop . I have a dns service at present (unblock us) --I am lost as I can not get to download the app on any website

Thanks for any help you can give me..