The Apple TV app is available for the Mac, iPhone and iPad (though not Apple Watch, that would be ridiculous) so you can stream shows there, or go to www.tv.apple.com. One of the first Apple TV+ ...
If you're on an Apple device, such as an iPhone, iPad, or Mac, the Apple TV app comes preinstalled. Just search for Apple TV in your app library and it will pop up. From there, navigate to the TV+ ...