Getting system information in c#

using System.Data;
using Microsoft.Win32;

private void Form1_Load(object sender, System.EventArgs e)
        {
            try
            {
                label18.Text = SystemInformation.PrimaryMonitorSize.ToString();
                label2.Text = System.Environment.SystemDirectory;
                label4.Text = System.Environment.MachineName;
                label6.Text = System.Environment.WorkingSet.ToString();
                int q = System.Environment.TickCount;
                int w = (q/1000)/60;
                label8.Text = w.ToString() + "  Minute(s)";
                label10.Text = System.Environment.OSVersion.ToString();
                label12.Text = System.Environment.Version.ToString();
                label14.Text = System.Environment.UserName;
                label16.Text = System.Environment.UserDomainName;
                RegistryKey Rkey = Registry.LocalMachine;
                Rkey = Rkey.OpenSubKey("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0");
                label20.Text = (string)Rkey.GetValue("ProcessorNameString");
            }
            catch (Exception EX)
            {
                MessageBox.Show("The Following ERROR Occur ..." + EX.Message.ToString());
            }
        }