This is the Trace Id: 01749d9a8e8e24ebd6f1003449ba8038

Update for Windows 8.1 (KB2903939)

These updates (*.msu) provide a collection of performance and reliability improvements that are designed to improve the Windows 8.1 experience.

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  • Version:

    2903939

    Date Published:

    15/07/2024

    File Name:

    Windows8.1-KB2903939-x86.msu

    Windows8.1-KB2911134-x86.msu

    File Size:

    27.1 MB

    195.5 KB

    KB Articles:

    KB2903939

    These updates (*.msu) provide a collection of performance and reliability improvements that are designed to improve the Windows 8.1 experience. We recommend that you apply all of these updates as part of your regular maintenance routines. Failure to install all of the packages listed above could leave your machine in an untested state.

  • Supported Operating Systems

    Windows 8.1


    1. To start the download, click the Download button and then do one of the following, or select another language from Change Language and then click Change.
      • Click Run to start the installation immediately.
      • Click Save to copy the download to your computer for installation at a later time.
    2. Repeat this process until all of the following KBs have been installed: KB2903939, KB2911134

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