Check out example codes for "c# get os version". It will help you in understanding the concepts better.

Code Example 1

// Save the OS info to an variable
OperatingSystem os = Environment.OSVersion;
// Print the OS info to the console
Console.WriteLine($"platform:       {os.Platform}\n" +
                  $"version:        {os.Version}\n" +
                  $"version string: {os.VersionString}");

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