Licenser.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Management;

namespace TireProject
{
    class Licenser
    {


    public static string UniqueMachineId()
    {
        StringBuilder builder = new StringBuilder();

        String query = "SELECT * FROM Win32_BIOS";
        ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);
        //  This should only find one
        foreach (ManagementObject item in searcher.Get())
        {
            Object obj = item["Manufacturer"];
            builder.Append(Convert.ToString(obj));
            builder.Append(':');
            obj = item["SerialNumber"];
            builder.Append(Convert.ToString(obj));
        }

        return builder.ToString();
    }

}
}