April 2022 Windows 10 Non-Security Optional Preview "C" Release

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Microsoft released KB5012636 (OS Build 17763.2867), the monthly “C” release preview cumulative update with non-security improvements and fixes for Windows 10, version 1809.

The highlighted changes include non-security issues for your Windows operating system, including improvements for servicing the Secure Boot component of Windows.

Update:  To get the update, go to Settings > Update & Security > Windows Update.  The link to download and install the update can be found in the Optional updates available area.  To get the standalone package for this update, go to the Microsoft Update Catalog website.

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

Note: You must install the August 10, 2021 SSU (KB5005112) before installing the LCU.