They sell a year subscription for $45 on the Costco website.

https://www.costco.com/apple-tv%2b-1-year-subscription.product.100851281.html?sh=true&nf=true

People without iOS devices like me pay for it. Saved a little by paying for a year in advanced through Costco. Honestly, it's worth every penny. The quality is comparable to HBO already. As each year passes their catalog is getting bigger with their originals.