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.NET Framework 4.6 and 4.5

.NET Framework 4.6 and 4.5

Note Note

This .NET Framework content set includes information for .NET Framework versions 4.5, 4.5.1, 4.5.2 and 4.6. For a list of new features and changes in the NET Framework 4.5, its point releases and the .NET Framework 4.6 release, see what's new. For a list of supported platforms, see .NET Framework System Requirements.

Download the .NET Framework

The .NET Framework is a development platform for building apps for Windows, Windows Phone, Windows Server, and Microsoft Azure. It consists of the common language runtime (CLR) and the .NET Framework class library, which includes classes, interfaces, and value types that support an extensive range of technologies. The .NET Framework provides a managed execution environment, simplified development and deployment, and integration with a variety of programming languages, including Visual Basic and Visual C#.

For a general introduction to the .NET Framework for both users and developers, see Getting Started. For an introduction to the architecture and key features of the .NET Framework, see the overview.

The documentation for the .NET Framework includes an extensive class library reference, conceptual overviews, step-by-step procedures, and information about samples, compilers, and command-line tools. To locate the information that interests you, see the following list of main topic areas.

Getting Started with the .NET Framework

Provides a comprehensive overview of the .NET Framework and links to additional resources.

What's New in the .NET Framework

Describes key new features and changes in the latest versions of the .NET Framework. Includes lists of obsolete types and members, and provides a guide for migrating your applications from the previous version of the .NET Framework.

.NET Framework Development Guide

Provides a guide to all key technology areas and tasks for application development, including creating, configuring, debugging, securing, and deploying your application, and information about dynamic programming, interoperability, extensibility, memory management, and threading.

.NET Framework Tools

Describes the tools that help you develop, configure, and deploy applications by using .NET Framework technologies.

.NET Framework Samples

Provides links to the MSDN Code Samples Gallery for sample applications that demonstrate .NET Framework technologies.

.NET Framework Class Library

Supplies syntax, code examples, and related information for each class contained in the .NET Framework namespaces.

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