Install C#
If the command is not recognized
Version to install
.NET 10 SDK. Download the SDK, not only the runtime.
Checked: 20 October 2026.
Steps on Windows
- Open https://dotnet.microsoft.com/download/dotnet/10.0.
- From the SDK column, download the Windows x64 installer. Skip the Runtime column.
- Open the file and install it.
- Close the terminal and open a new one.
- Type dotnet --version.
Check
The answer should start with 10.
dotnet --version
Difference from the old version
.NET 8 support ends in November 2026. A new setup is the .NET 10 SDK.