Servicing stack update for Windows 10, version 1903: November 12, 2019

Applies to: Windows 10, version 1903, all editions


This update makes quality improvements to the servicing stack, which is the component that installs Windows updates.

    We strongly recommend you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). Installing servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft security fixes.

    How to get this update

    Method 1: Windows Update 

    This update is available through Windows Update. It will be downloaded and installed automatically.  

    Method 2: Microsoft Update Catalog 

    To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

    Method 3: Windows Server Update Services

    This update is also available through Windows Server Update Services (WSUS).


    There are no prerequisites to apply this update. 

    Restart information 

    You don't have to restart your computer after you apply this update.  

    Update replacement information 

    This update replaces the previously released update KB 4525419.

    File Information

    File verification

    File attributes

    The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

    Windows 10 file information


    For more information about SSUs, see Servicing stack updates.

    Learn about the terminology that Microsoft uses to describe software updates.