Microsoft .NET Framework 3.0 (WinFX) RTM

As the final runup to Vista RTM continues, Microsoft has announced at the .NET Framework 3.0 (formerly WinFX) has RTMed and is available on Microsoft Downloads. This is a significant milestone for the Developer Division, and delivers on some of the promise of Windows Vista programmability on earlier platforms.


  • Windows Presentation Foundation
  • Windows Communication Foundation
  • Windows Workflow Foundation
  • Windows CardSpace

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.

Download the quick installer
Download the full x86 redistributable
Download the full x64 redistributable

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.

Related Resources

  1. Readme for .NET Framework 3.0
  2. Microsoft Visual Studio 2005 CTP Extensions for .NET Framework 3.0 (WCF & WPF)
  3. Microsoft Windows SDK for .NET Framework 3.0
  4. Microsoft Visual Studio 2005 Extensions for Windows WorkFlow Foundation

More Information: .NET Framework 3.0 Community


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