.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.
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Build .NET apps with C#
Tutorial
Create your first console app
Overview
Azure for .NET developers
What's new
What's new in .NET docs
Get Started
Interactive introduction to C#
.NET: Free. Cross platform. Open source.
A developer platform for building all your apps: web, mobile, desktop, gaming, IoT, and more. Supported on Windows, Linux, and macOS.
Programming languages
You can write .NET apps in C#, F#, or Visual Basic.
Create your application
You can choose web, mobile, desktop, gaming, IoT, and more.
Machine learning and AI
Internet of things (IoT)
API and language reference
Search the .NET API and language reference documentation.
.NET API reference
API reference documentation for .NET
.NET Core API reference
API reference documentation for .NET Core
.NET Framework API reference
API reference documentation for .NET Framework
ASP.NET Core API reference
API reference documentation for ASP.NET Core
ML.NET API reference
API reference documentation for ML.NET
.NET for Apache Spark API reference
API reference documentation for .NET for Apache Spark
C# language reference
C# language reference and specification
F# language reference
F# language reference
Visual Basic language reference
Visual Basic language reference and specification
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