This suggests you have Windows 10 N, which does not include the Media Feature Pack.

Follow the instructions here to install it:
<a href=”https://support.microsoft.com/en-us/help/4475817/media-feature-pack-for-windows-10-n-may-2019″>https://support.microsoft.com/en-us/help/4475817/media-feature-pack-for-windows-10-n-may-2019</a>