Supported OS https://github.com/dotnet/core/blob/master/release-notes/3.0/3.0-supported-os.md dotnet/core Home repository for .NET Core. Contribute to dotnet/core development by creating an account on GitHub. github.com SDK, Runtime Download https://dotnet.microsoft.com/download/dotnet-core/3.0 Download .NET Core 3.0 (Linux, macOS, and Windows) .NET Core 3.0 downloads for Linux, macOS, and Windo..