System.OperatingSystem.ToString C# (CSharp) Method

        public override string ToString() => VersionString;

        public static string GetNombreSistemaOperativo()
        {
            System.OperatingSystem os = System.Environment.OSVersion;
            string osName             = "Unknown";

            switch (os.Platform)
            {
            case System.PlatformID.Win32Windows:
                switch (os.Version.Minor)
                {
                case 0: osName = "Windows 95"; break;

                case 10: osName = "Windows 98"; break;

                case 90: osName = "Windows ME"; break;
                }
                break;

            case System.PlatformID.Win32NT:
                switch (os.Version.Major)
                {
                case 3: osName = "Windws NT 3.51"; break;

                case 4: osName = "Windows NT 4"; break;

                case 5:
                    if (os.Version.Minor == 0)
                    {
                        osName = "Windows 2000";
                    }
                    else if (os.Version.Minor == 1)
                    {
                        osName = "Windows XP";
                    }
                    else if (os.Version.Minor == 2)
                    {
                        osName = "Windows Server 2003";
                    }
                    break;

                case 6:
                    osName = "Otro";
                    if (os.Version.Minor == 0)
                    {
                        osName = "Windows Vista/Windows Server 2008";
                    }
                    else if (os.Version.Minor == 1)
                    {
                        osName = "Windows 7";
                    }
                    else if (os.Version.Minor == 2)
                    {
                        osName = "Windows 8";
                    }
                    break;
                }
                break;
            }
            return(osName + " (" + os.ToString() + ")");
        }