HomeController.cs

public class HomeController : Controller
{
    private readonly IRuntimeEnvironment _runtimeEnvironment;

    public HomeController(IRuntimeEnvironment runtimeEnvironment)
    {
        _runtimeEnvironment = runtimeEnvironment;
    }

    public IActionResult About()
    {
        ViewData["Message"] = "Your application is running on:";
        ViewData["OperatingSystem"] = _runtimeEnvironment.OperatingSystem;
        ViewData["OperatingSystemVersion"] = _runtimeEnvironment.OperatingSystemVersion;
        ViewData["RuntimeType"] = _runtimeEnvironment.RuntimeType;
        ViewData["RuntimeArchitecture"] = _runtimeEnvironment.RuntimeArchitecture;
        ViewData["RuntimeVersion"] = _runtimeEnvironment.RuntimeVersion;

        return View();
    }
}