As part of the Windows 10 version 20H2 development, Microsoft is now releasing build 19042.450 in the Beta Channel of the Windows Insider Program. This is the fifth preview available to testers as update KB4566782, and it’s a small update created to fix some issues.
Windows 10 build 19042.450, according to the company, addresses a sign in problem with Universal Windows Platform (UWP) apps, and patches several vulnerabilities for various components, including for the Windows Kernel, Windows Authentication, Microsoft Scripting Engine, Windows Graphics, Windows Shell, Windows Update Stack, and more.
You can check this guide to learn more about the features and improvements coming with Windows 10 20H2.
The Windows 10 version 2004 and 20H2 are both in the same development cycle, as a result the update KB4566782 is available for both versions.
Download Windows 10 build 19042.450
The preview is available immediately through the Beta Channel. It’ll download and install automatically on your device, but you can always force the KB4566782 update from Settings > Update & security > Windows Update, and clicking the Check for updates button.