I believe Safari on Mac and Edge on Windows support 4K. But yes, if you're using Chrome or Firefox, you're only getting 720p I believe. It's stupid because the

I believe Safari on Mac and Edge on Windows support 4K. But yes, if you're using Chrome or Firefox, you're only getting 720p I believe. It's stupid because the majority of people don't realize and may be paying for the more expensive 4K option even though they're never getting that... https://help.netflix.com/en/node/13444 https://help.netflix.com/en/node/13444