.NET SDK
.NET is a software framework used for building and running applications, working on multiple desktop platforms. The .NET SDK (Software Development Kit) includes the tools and libraries needed to develop .NET applications. At the time of writing, the latest version is v10.0.200.
Check out the installation guide for detailed instructions. Alternatively, it may be possible to install the .NET SDK using a package manager of your choice.
After installation, the .NET SDK should be available from the command line with dotnet.