DisplayMagician/DisplayMagicianShared/Utils.cs

using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DisplayMagicianShared
{
    class Utils
    {
        public static bool IsWindows11()
        {
            var reg = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows NT\CurrentVersion");

            var currentBuildStr = (string)reg.GetValue("CurrentBuild");
            var currentBuild = int.Parse(currentBuildStr);

            return currentBuild >= 22000;
        }
    }
}