Developer Tools

    Thank you for downloading

    • Enterprise Library for .NET Framework 2.0: Performance Comparison 64 Bit vs. 32 Bit

      If your download does not start after 30 seconds, Click here
        • Click the download link and view the pdf file using Adobe Reader 5.0 or later.

    Popular downloads

    Loading your results, please wait...

    Free PC updates

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

    Microsoft suggests

    The tablet that can replace your laptop. Surface Pro 3.
    Surface Pro 3
    With a 12” display, Surface Pro 3 has the power of a laptop in a lightweight, versatile form.
    Learn more