.NET Framework Version 4.0 4.7.1
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 Microsoft .NET Framework 4 redistributable package installs the .NET Framework runtime and associated files that are required to run and develop applications to target the .NET Framework 4.
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
Includes improvements in several areas:
Accessibility improvements in narration, high contrast and focus control areas.
.NET Framework support for .NET Standard 2.0 and compiler features.
More secure SHA-2 support in ASP.NET and System.Messaging.
ASP.NET Execution step feature.
ASP.NET HttpCookie parsing.
Enhancements in Visual Tree for WPF applications.
Performance and reliability improvements.