Netflix offers different movies and TV shows in 4K that you can stream. You will need the best internet connection, hardware, Netflix subscription and software. It is not easy to stream 1080p HD Netflix. You will need specialized hardware for 4K.
For streaming in Ultra HD on TV, you must have a capable box. Make sure to have a device with 3840 x 2160 pixels and 4K display. You can adjust the screen resolution in settings.
The capability of Your Screen
Display of your bulk computer should be capable of running at almost 60 Hz refresh rate. It should support 2.2 HDCP. Carefully read the manual of your PC or look at the specifications of the manufacturer. Your PC needs a 7th generation Intel processor for fast streaming.
You will need a stable internet connection with almost 25 Mbps. If you are facing issues, make sure to check the speed of your internet connection. Without fast internet speed, you will not be able to stream in HD Ultra 4K.