These codecs are for example used by the following applications:

The Windows Media Audio and Video codecs are a collection of objects that you can use to compress and decompress digital media data. Each codec consists of two objects, an encoder and a decoder. This part of the documentation describes how to use the features of the Windows Media Audio and Video codecs to produce and consume compressed data. Get the latest Media Player downloads from the Official Microsoft Download Center.

• Movies&TV (a.k.a. Films&TV)
• Windows Photo Viewer
• Windows Media Player (can also use DirectShow codecs)
• Windows Explorer
• Adobe Premiere

Below you can download installers for several codecs. You can also get these exact same codecs in the Windows 10 store.

These codecs may fix:
Error 0xc00d005212 This item was encoded with a format that's not supported

HEVC video (a.k.a. H.265):

There are two versions of this codec. A free one and one that you can buy from Microsoft for $1 in the Windows 10 store. The free version only works on systems that have a graphics card (GPU) that is capable of hardware accelerated decoding of HEVC video.

Download [for 64-bit Windows] [free version] [requires a GPU capable of decoding HEVC]
Download [for 32-bit Windows] [free version] [requires a GPU capable of decoding HEVC]

Download in Windows 10 Store [$1]

VP9 video:

Download [for 64-bit Windows]
Download [for 32-bit Windows]
Windows 10 Store

Aomedia AV1 video:

Download [for 64-bit Windows]
Download [for 32-bit Windows]
Windows 10 Store

MPEG-2 video:

Download [for 64-bit Windows]
Download [for 32-bit Windows]
Windows 10 Store

HEIF/HEIC image:

Download [for 64-bit Windows]
Download [for 32-bit Windows]
Windows 10 Store

Webp image:

Download [for 64-bit Windows]
Download [for 32-bit Windows]
Windows 10 Store

You can install these Media Foundation codecs by simply double-clicking on the downloaded .appx file.

You can uninstall these codecs via Windows Settings. Same way as you uninstall other items downloaded from the Windows 10 store.

If you have a European N or Korean KN edition of Windows then you should also install the Media Feature Pack from Microsoft to gain additional multimedia functionality.

You can recognize these special versions of Windows by the fact that they do no include Windows Media Player by default.

Microsoft Media Player Codec For Windows 10

You can acquire this media package through Windows settings:
Start > Settings > Apps > Apps & Features > Optional Features > Add a feature > Media Feature Pack