[Delirium]

Код:

using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Management;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication4
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();            
        }
        private void Form1_Load(object sender, EventArgs e)
        {
try
            {
                ManagementObjectSearcher searcher =  new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_OperatingSystem"); 
                foreach (ManagementObject queryObj in searcher.Get())
                {
label1.Text      +=queryObj["OSArchitecture"].ToString() + System.Environment.NewLine;
label2.Text      +=queryObj["SystemDirectory"].ToString() + System.Environment.NewLine;           
                }
            }
            catch (ManagementException e)
            {
                MessageBox.Show("An error occurred while querying for WMI data: " + e.Message);
            }
        }
        private void label1_Click(object sender, EventArgs e)
        {
        }
        private void label2_Click(object sender, EventArgs e)
        {
        }
    }

Вместо Label1 лучше использовать TextBox и в его свойствах поставить Multiline, чтобы текст лучше видно было.