I didn't want to go into details, but I think we actually get Netflix in 1080(p?) using either Firefox or Chrome, but Amazon Prime looks like 720p using Firefox.
If you know how let me know. There used to be an addon that mimic'd a header it was looking for but I think netflix fixed that loophole. Im not sure if there is a way to verify the info during playback anymore?
Resolution
Windows computers support streaming in the following browser resolutions:
Google Chrome up to 720p
Internet Explorer up to 1080p
Microsoft Edge up to 4K*
Mozilla Firefox up to 720p
Opera up to 720p
Windows 8 app up to 1080p
Windows 10 app up to 4K*
