Installation

Get up and running with C# Dev Tools quickly and easily.

Where to Install

C# Dev Tools is available on two registries:

Registry	Link
VS Code Marketplace	JakubKozera.csharp-dev-tools
Open VSX Registry (VS Codium, Cursor, Gitpod…)	JakubKozera/csharp-dev-tools

Prerequisites

Before installing C# Dev Tools, ensure you have:

• Visual Studio Code: Version 1.100.0 or higher
• .NET SDK: Any recent version of the .NET SDK

Installation Steps

From VS Code Marketplace

1. Open VS Code
2. Click on the Extensions view icon in the Activity Bar (or press Ctrl+Shift+X)
3. Search for C# Dev Tools
4. Click the Install button

Or install directly: marketplace.visualstudio.com → C# Dev Tools

From Open VSX Registry (VS Codium / Cursor / Gitpod)

If you are using a VS Code-compatible editor that does not have access to the VS Code Marketplace, install from Open VSX:

1. Open the Extensions view (Ctrl+Shift+X)
2. Search for C# Dev Tools
3. Click Install

Or install directly: open-vsx.org → C# Dev Tools

Verifying Installation

To verify that C# Dev Tools is installed correctly:

1. Open a folder containing a .NET solution (.sln file)
2. Look for the Solution Explorer icon in the Activity Bar (typically a C# icon)
3. Click the icon to open the Solution Explorer view
4. Your solution structure should be visible in the panel

Troubleshooting

If you encounter issues:

• Ensure the official C# extension is installed and activated
• Check that your workspace contains a valid .sln file
• Try reloading the window (Ctrl+Shift+P and type “Reload Window”)
• Look for any error messages in the Output panel (Ctrl+Shift+U and select “C# Dev Tools” from the dropdown)

If problems persist, see the Support section for additional help.