Developer Tools

    Thank you for downloading

    • Microsoft .NET Framework 3.5

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

          1. Important: 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.


          ----------------------------------------------
          Full Redistributable Package
          To download the full redistributable package, rather than the bootstrapper, click on the link below to start the download:
          .NET Framework 3.5 full package
    • Microsoft .NET Framework 4 Client Profile (Web Installer)

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

          1. Important: Make sure that your computer has the latest Windows service pack and critical updates. To find security updates, visit Windows Update. If you are installing on XP 64 bit or Windows 2003 you might need to install the Windows Imaging Component. The Windows Imaging Component 32 bit can be found here . The Windows Imaging Component 64 bit can be found here .
          2. On this page, locate the Download button and then click it to start the download.
          3. To start the installation immediately, click Run.
          4. To save the download to your computer so that you can install it later, click Save.
          5. To cancel the installation, click Cancel.
    • 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

    Loading your results, please wait...

    Free PC updates

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

    Microsoft suggests

    Download free tools to build apps for Windows.
    Download free tools to build apps for Windows
    Develop apps that reach the entire family of Windows devices.
    Get started