The .NET Framework is Microsoft’s comprehensive and consistent programming model for building applications that have visually stunning user experiences, seamless and secure communication, and the ability to model a range of business processes.

The .NET Framework 4 works side by side with older Framework versions. Applications that are based on earlier versions of the Framework will continue to run on the version targeted by default.

.NET Framework 4 includes the following new features and improvements:

• Improvements in CLR and BCL
• Improvements in ADO.NET
• Enhancements to ASP.NET
• Improvements in Windows Presentation Foundation
• Improvements to Windows Workflow Foundation and Windows Communication Foundation

.NET Framework 4.0 is support for Windows XP / 2003 / Vista / Windows7 / XP64 / Vista64 / Windows7 64

Download .NET Framework Version 4.0.