Learn C# & .NET

Explore C# & .NET through guided programming exercises in your browser. Read each lesson, experiment with code and use progressive hints when you need help.

How to start

Create an account to save your progress.
Follow the lessons and complete the interactive exercises.
Review your code using the feedback and hints.

The first 10 exercises in each course are free. See the plans for continued access with Pass Pro. Compare plans

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💬 Frequently Asked Questions — C# & .NET

Why learn C# in 2026?▾

C# is a robust, high-performance modern language by Microsoft. It is the primary language for 3D game development in Unity and scalable enterprise backends with .NET.

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