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.NET Framework and .NET SDKs

The .NET Framework is the easiest way to build apps on the Microsoft platform. You can download Visual Studio Express for free, and be coding in just a few minutes. You can also use the .NET SDKs and targeting packs to build apps for a given Microsoft platform, such as Microsoft Azure.

What's New with .NET Framework

.NET Framework and .NET SDK Downloads

EF7 Beta 6 Available
Today we are making Entity Framework 7 Beta 6 available. EF7 will be the next major release of Entity Framework and it is currently in pre-release. ... more
Announcing the RTM of Visual F# 4.0
We are pleased to announce that Visual Studio 2015, and along with it Visual F# 4.0, hit RTM today! Visit the downloads page to install the release bu... more
Announcing .NET Framework 4.6
We're excited to announce the RTM releases of .NET Framework 4.6 and Visual Studio 2015 today. You can read about the new features or leave that for l... more
Entity Framework and Visual Studio 2015 RTM
Today Soma announced the availability of Visual Studio 2015. Our team is concurrently working on EF6.x and EF7 versions of our product and both of the... more

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.NET Compiler Platform ("Roslyn")

The .NET Compiler Platform ("Roslyn") provides open-source C# and Visual Basic compilers with rich code analysis APIs. You can build code analysis tools with the same APIs that Microsoft is using to implement Visual Studio!

Microsoft .NET Native

.NET Native compiles C# to native machine code that performs like C++. You will continue to benefit from the productivity and familiarity of the .NET Framework with the great performance of native code. Popular Windows Store apps start up to 60% faster and use 15-20% less memory when compiled with .NET Native.

.NET Framework Development Guide

Learn how to create, configure, debug, secure, and deploy your .NET Framework apps with our roadmap. Check out the how-to and walkthrough directory to find the code examples that you need. Also learn how to write cross-platform libraries with Portable Class Libraries.

What’s New in the .NET Framework 4.5

Read about the many new features and enhancements, including the new asynchronous programming model, the new HTTP API, Workflow authoring and versioning enhancements, and support for creating Windows Store apps.

Developing Apps for Microsoft Platforms

Visit MSDN to learn about creating apps that build your business, for Windows Store, Windows Phone, and Microsoft Azure.

Featured Partners

Intel Corporation
Intel® software development products for the entire development lifecycle. Tools designed so novices can learn as they go and professional developers can more easily bring parallelism to their code.