If you don't see any TV shows or movies with the Ultra HD 4K logo in Netflix, first make sure you meet Ultra HD requirement, then follow the steps for your device below.
To watch titles in Ultra HD, you may need to change the video resolution setting on your device. Follow these steps to change the setting:
From the Amazon home, screen go to Settings > Display & Sounds > Display.
Open the Video Resolution section.
Select Auto (up to 4K Ultra HD).
Try Netflix again.
Press the Windows Key on the keyboard.
Select Settings .
Select Update & security.
Windows will check for updates. If it doesn't, select Check for updates.
Once the updates are installed, restart your computer and try Netflix again.
You may need to update your computer's video driver, or install a video driver supported by Windows 10.
Netflix Customer Service can't help with these steps. If you aren't comfortable doing them by yourself, contact your computer's manufacturer for help.
If your computer uses a graphics card or GPU, use the software that was installed with the card to update its video driver.
If an update didn't work or there were no updates available, uninstall the driver and reinstall it.