New answers tagged youtube
Others have said the answer is simply no, but that's not entirely true. You can get some slight improvement from downscaling; errors and artifacts in the stream will be less visible, but this slight improvement usually isn't worth the increased bandwidth usage and CPU usage. Effective downscaling also requires graphics which can manage it, Nvidia GTX GPUs ...
It's possible to screen record on macs for free using the program quick time. All you need to do is select File -> New Screen Recording and then you're good. You can use this with any normal full screen visualizer of your choice.
Everyone who says that it's useless to watch 4k video on a 1080p monitor is wrong.
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