Developer Tools

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    • Microsoft .NET Framework 4.5

      If your download does not start after 30 seconds, Click here
        • Note: Windows 8 and Windows Server 2012 include the .NET Framework 4.5. Therefore, you don't have to install this software on those operating systems.   

          • On this page, choose the Download button.
            • To install the software now, choose the Run button.
            • To install the software later, choose the Save button. (When you install, the computer must be connected to the Internet.)
    • 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.

    Popular downloads

      • 01

        Microsoft .NET Framework 4 (Web Installer)

        The Microsoft .NET Framework 4 web installer package downloads and installs the .NET Framework components required to run on the target machine architecture and OS. An Internet connection is required during the installation. .NET Framework 4 is required to run and develop applications to target the .NET Framework 4.

      • 04

        Microsoft .NET Framework 3.5 Service Pack 1

        Microsoft .NET Framework 3.5 Service Pack 1 is a full cumulative update that contains many new features building incrementally upon .NET Framework 2.0, 3.0, 3.5, and includes cumulative servicing updates to the .NET Framework 2.0 and .NET Framework 3.0 subcomponents.

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