Free downloads for building and running .NET apps on Linux, macOS, and Windows. Runtimes, SDKs, and developer packs for .NET Framework, .NET, and ASP.NET.

.NET is a developer platform with tools and libraries for building any type of app, including web, mobile, desktop, games, IoT, cloud, and microservices.

2017年10月17日 · Downloads for building and running applications with .NET Framework. Get web installer, offline installer, and language pack downloads for .NET Framework.

2025年3月19日 · This article teaches you about which versions of .NET are supported on Windows, how to install .NET, and what the difference is between the SDK and runtime. Unlike .NET Framework, .NET isn't tied to your version of Windows.

The most recent version of .NET is .NET 9, released in November 2024, while the current long-term support (LTS) version is .NET 8, released in November 2023 and scheduled to receive updates until November 2026.

2024年11月22日 · See Get started with .NET to learn how to create .NET apps. You can build many types of apps with .NET, such as cloud, IoT, and games, using free cross-platform tools. Your apps can run on Android, iOS, Linux, macOS, and Windows.

.NET documentation. Learn to use .NET to create applications on any platform using C#, F#, and Visual Basic. Browse API reference, sample code, tutorials, and more.

Formally, .NET is “an open source developer platform, created by Microsoft, for building many different types of applications. You can write .NET apps in C#, F#, Visual C++, or Visual Basic.” Informally, .NET is the tool that lets you build and run C# programs (we’ll avoid F#, Visual C++, Visual Basic for now).

2023年2月14日 · The .NET platform stands for Productivity, Performance, Security, and Reliability. The balance .NET strikes between these values is what makes it attractive.

The .NET Foundation is an independent, non-profit organization established to support an innovative, commercially friendly, open-source ecosystem around the .NET platform.