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This non-security update includes quality improvements. Key changes include:

  • Addresses an issue in which some customers may be unable to use USB Audio 2.0 multi-channel microphones in Voice Recorder and similar apps.

How to get this update

Before installing this update

We strongly recommend you install the latest servicing stack update (SSU) for your operating system before installing this update. SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For more information, see Servicing stack updates.

The latest SSU for your version of Windows can be found in ADV990001 | Latest Servicing Stack Updates. If you use Windows Update, the latest SSU will be offered automatically.

Install this update

Release Channel


Next Step

Windows Update and Microsoft Update


None. If your device is found to be affected by this issue, this update will be downloaded and installed automatically from Windows Update.

Microsoft Update Catalog


See the other options.

Windows Server Update Services (WSUS)


This update will automatically synchronize with WSUS if you configure Products and Classifications as follows:

Product: Windows 10, version 1903 and later

Classification: Updates

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