Windows

    Thank you for downloading

    • Visual Studio 2005 extensions for .NET Framework 3.0 (Windows Workflow Foundation)

      If your download does not start after 30 seconds, Click here
        • 1. Select the language that you would like to download. Click the download button above to download the installation executable.

          2. You will be asked to choose either Save or Run. You may choose either of these options.
          • If you choose to run the installation then the installation will begin and you should follow the installation instructions.
          • If you choose to save the installation executable, select a location on your hard drive where you would like the download to be saved to and click OK.
          3. If you chose to save the installation executable then browse to the location you selected and double click the installation executable. The installation will begin and you should follow the installation instructions.

    Popular downloads

      • 01

        DirectX End-User Runtime Web Installer

        The Microsoft DirectX® End-User Runtime provides updates to 9.0c and previous versions of DirectX — the core Windows® technology that drives high-speed multimedia and games on the PC.

      • 02

        Malicious Software Removal Tool

        This tool checks your computer for infection by specific, prevalent malicious software (including Blaster, Sasser, and Mydoom) and helps to remove the infection if it is found. Microsoft will release an updated version of this tool on the second Tuesday of each month.

      • 03

        Microsoft Security Essentials

        Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.

      • 04

        Windows 7 Upgrade Advisor

        Download and run the Windows 7 Upgrade Advisor to see if your PC is ready for Windows 7. It scans your hardware, devices, and installed programs for known compatibility issues, gives you guidance on how to resolve potential issues found, and recommends what to do before you upgrade.

    Loading your results, please wait...

    Free PC updates

    • Security patches
    • Software updates
    • Service packs
    • Hardware drivers

    Microsoft suggests

    Shop for a new Surface
    Shop for a Surface
    Meet the most productive tablets on the planet.
    Shop now