. NET is an integral part of many applications running on Windows and provides common functionality for those applications to run. For developers, the. NET Framework provides a comprehensive and consistent programming model for building applications that have visually stunning user experiences and seamless and secure communication. This article provides links for installing the. NET Framework 4.5, its point releases (, the. NET Framework 4.6, and the. NET Framework on your computer. If you're a developer, you can also use these links to download and redistribute the. NET Framework with your apps. Note that installing a new version of the. NET Framework doesn't always replace a previous version. For more information about versions of the. NET Framework and how to determine which versions are installed on a computer, see. NET Framework Versions and Dependencies and How to: Determine Which. NET Framework Versions Are Installed. All of the. NET Framework versions listed in the following table are in-place updates to the. NET Framework 4. In other words, if you install a later version, such as the. NET Framework 4.6, you do not first have to install the previous versions, such as the. NET Framework 4.5, or. Similarly, if you install a later version, such as the. NET Framework 4.6, you do not first have to uninstall the previous versions, such as the. NET Framework 4.5, or. Use the following table for quick links, or read further for details. To view the system requirements for the. NET Framework before installation, see. NET Framework System Requirements. For a general introduction to the. NET Framework for both users and developers, see Getting Started. For information about deploying the. NET Framework with your app, see the deployment guide. To read about the architecture and key features of the. NET Framework, see the.
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.
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