using System;
using System.Runtime.InteropServices;
 
class Program{
    static void Main(){
        // プラットフォームID
        Console.WriteLine(Environment.OSVersion.Platform);
        // OSバージョン
        Console.WriteLine(Environment.OSVersion.Version);
        // OS名+バージョン
        Console.WriteLine(Environment.OSVersion.VersionString);
        // OSアーキテクチャ
        Console.WriteLine(RuntimeInformation.OSArchitecture);
 
        // .NETバージョン
        Console.WriteLine(RuntimeInformation.FrameworkDescription);
        // 実行プロセスのアーキテクチャ
        Console.WriteLine(RuntimeInformation.ProcessArchitecture);
    }
}
 

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