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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

Visualizing Roslyn Syntax Trees
Hello everyone! I hope you had a chance to catch the recent announcements around the .NET Compiler Platform (“Roslyn”). If not, I encourage you to vie... more
Visualizing Roslyn Syntax Trees
Hello everyone! I hope you had a chance to catch the recent announcements around the .NET Compiler Platform (“Roslyn”). If not, I encourage you to vie... more
Exploring ASP.NET Web Pages - A fully-featured MiniBlog using just Razor
ASP.NET "Razor" Web Pages are ASP.NET sites without models, views, and controllers, without project files. Some folks say "oh, that&#39... more
Azure Updates: Web Sites, VMs, Mobile Services, Notification Hubs, Storage, VNets, Scheduler, AutoScale and More
It has been a really busy last 10 days for the Azure team. This blog post quickly recaps a few of the significant enhancements we’ve made. These incl... 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

National Instruments Corp.
National Instruments Corp.
Measurement Studio reduces development time by providing user interface components, data analysis, and instrument control and data acquisition class libraries designed for engineers and scientists.