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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

.NET Sample Code on GitHub
Today, we're happy to announce that we've started to move some of our sample assets over to GitHub, using the MIT license. So I can directly answer Be... more
September 2014 .NET Security Updates
The .NET team released a security bulletin and a security advisory today as part of the monthly “patch Tuesday” cycle. Microsoft Securit... more
Using WCF in .NET Native
This post was authored by Ron Cain, a Software Development Engineer on the WCF team. In our previous post, we mentioned that some of the client compon... more
Being an intern on the .NET Team
This summer we had six amazing interns that joined the team to work on .NET. Their projects ranged from internal tools, over shipping components to de... 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

Coverity
Coverity helps developers write better software faster by enabling them to find and fix critical defects in their C#, C, C++ and Java code. Visit our website to learn more.