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  • Microsoft .NET Framework 3.5 Service Pack 1

    If your download does not start after 30 seconds, Click here

        1. Important: Please read the release notes for known issues before you install the service pack. Make sure you have the latest service pack and critical updates for the version of Windows on the computer. To look for recent updates, visit Windows Update. In addition, make sure you have Windows Installer 3.1 installed before you install this service pack.


        2. Click the Download button on this page to start the download


        3. To save the download to your computer for installation at a later time, click Save.


        4. To cancel the installation, click Cancel.

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        Full Package
        To download the full package, rather than the bootstrapper, click on the link below:
        .NET Framework 3.5 Service Pack 1 (Full Package)

        IMPORTANT: After installing the .NET Framework 3.5 SP1 package (either the bootstrapper or the full package) you should immediately install the update KB959209 to address a set of known application compatibility issues.
        In addition, on Windows Vista x64 and Windows Server 2008 x64, install the update KB967190 to address a file association issue for XPS documents.
  • Microsoft® Windows® Malicious Software Removal Tool (KB890830)

    If your download does not start after 30 seconds, Click here

        1. Click the Download button on this page to start the download.
        2. Do one of the following:
          • To start the installation immediately, click Run.
          • To save the download to your computer for installation at a later time, click Save.
          • To cancel the installation, click Cancel.

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