Windows 10 KB5015020 update detailed explanation and installation method

Microsoft has released the Windows 10 KB5015020 update, which is available for Windows 10 versions 19042.1708, 19043.1708, and 19044.1708, as well as multiple versions such as Windows Server 20H2, Windows 10 21H1, and Windows 10 21H2. This article will provide detailed descriptions of the issues fixed by this update and how to obtain and install it.

KB5015020 update and repair content

This update is small in size and has no new features, including only two critical fixes:

• Fixed Domain Controller Authentication Issue: Fixed an issue where some server or client services could cause authentication to fail after installing the May 10, 2022 update. Affected services include Network Policy Server (NPS), Routing and Remote Access Services (RRAS), Radius, Extensible Authentication Protocol (EAP), and Protected Extensible Authentication Protocol (PEAP). This problem affects how domain controller management certificates are mapped to computer accounts, but only affects the servers used as domain controllers, and client Windows devices are not affected.
• Fixed app installation issue: Fixed an issue that could prevent Microsoft Store apps from being installed after enabling control flow mandatory.

KB5015020 is a cumulative update that contains all features, changes, improvements and fixes from previous updates. If you have installed a previous update, only these two new fixes in this package will be downloaded and installed.

How to get and install Windows 10 KB5015020?

Method 1: Install through Windows Update

This is a general way to get Windows 10 updates.

Step 1: Click the Start menu and go to Settings > Updates and Security > Windows Update .

Step 2: Click the Check Update button to see if this update is available.

Step 3: Click Download and Install .

Method 2: Download the offline installer

You can download the offline installer for Windows 10 KB5015020 from the Microsoft Update Catalog.

Step 1: Visit the KB5015020 offline installer download page.

Step 2: The page will list the installer for different Windows 10 versions. Find the installer that matches the version of Windows you are using and click the Download button next to it.

Step 3: A small window will pop up with a .msu download link. No matter which browser you use, just click the link to download the offline installer to your device. You can then apply the downloaded file to install the Windows 10 KB5015020 update.

Data recovery software recommendations

MiniTool Power Data Recovery is a powerful data recovery software for all Windows versions including Windows 11, Windows 10, Windows 8.1/8, and Windows 7. It can help you recover files in various situations such as mistaken deletion, unexpected formatting, system crashes, etc.

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