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NetFramework 3.0


Microsoft .NET Framework 3.0 Redistributable Package

Brief Description
The Microsoft® .NET Framework version 3.0 redistributable package installs the common language runtime and associated files required to run applications developed to target the .NET Framework 3.0.
Quick Details
File Name: dotnetfx3setup.exe
Version: 3.0
Date Published: 11/21/2006
Language: English
Download Size: 2.8 MB
Estimated Download Time: 7 min 56K

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The Microsoft .NET Framework 3.0 is the new managed code programming model for Windows®. It combines the power of the .NET Framework version 2.0 with new technologies for building applications that have visually compelling user experiences, seamless communication across technology boundaries, and the ability to support a wide range of business processes. These new technologies are Windows Presentation Foundation, Windows Communication Foundation, Windows Workflow Foundation, and Windows CardSpace. The .NET Framework 3.0 is included as part of the Windows Vista™ operating system; you can install it or uninstall it using Windows Features Control Panel. This redistributable package is for Windows XP and Windows Server 2003. 

For more information about these technologies, click .NET Framework 3.0 Community.

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System Requirements

bulletSupported Operating Systems: Longhorn (Windows Code Name) ; Windows Server 2003 Service Pack 1; Windows Vista; Windows XP Service Pack 2

For customers that already have the .NET Framework 2.0 installed, this .NET Framework 3.0 redistributable package installs only the new Windows Vista components. This ensures that any .NET Framework 2.0-based applications work seamlessly when the .NET Framework 3.0 is installed, with no application migration or updates of any kind required.

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  1. Important: Make sure you have the latest service pack and critical updates for the version of Windows that you are running. To find recent security updates, visit Windows Update.
  2. Click the Download button on this page to start the downloadTo download the full redistributable package, rather than the bootstrapper, click the architecture you need below to start the download:
    bullet X86 Redist Package
    bullet X64 Redist Package

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

IMPORTANT: If you have installed previous pre-release versions of the .NET Framework 3.0, such as Beta 2, RC1 or Community Technical Preview (CTP) builds, then you must uninstall these versions using Add/Remove Programs in Control Panel before installing this final release version. 

If you have troubles with the download manager, you can download the entire package for x86 or for x64 which are both .EXE files. 


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Revised: 03/29/20