How do I watch Amazon Prime Video?

Customers can watch Amazon Prime Video across a variety of devices, including certain Smart TVs, games consoles, phones, tablets, and laptops. Customers can also download select movies and TV episodes on compatible mobile devices. Once the download is complete, a “downloaded” or “check mark” icon displays in the video details.

See https://www.amazon.com/gp/video/splash/device_linking for a complete list of devices.