Get the list of install appplication and their exe file path to run

string DisplayName = null;
string RegistryKey = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\UnInstall";

DataTable dt = new DataTable();
dt.Columns.Add("Software Name", typeof(string));
dt.Columns.Add("Software Version", typeof(string));
dt.Columns.Add("Software Publisher", typeof(string));
DataRow dr = null;

using (RegistryKey RegisrtyKey1 = Registry.LocalMachine.OpenSubKey(RegistryKey))
{
    foreach (var varName in RegisrtyKey1.GetSubKeyNames())
    {
        using (RegistryKey RegistryKey2 = RegisrtyKey1.OpenSubKey(varName))
        {
            DisplayName = Convert.ToString(RegistryKey2.GetValue("DisplayName"));
            if (DisplayName.Equals(""))
            {
                continue;
            }
            else
            {
                dr = dt.NewRow();
                dr[0] = (string)RegistryKey2.GetValue("DisplayName");
                if (RegistryKey2.GetValue("DisplayVersion") == null)
                    dr[1] = "";
                else
                    dr[1] = (string)RegistryKey2.GetValue("DisplayVersion");
                dr[2] = (string)RegistryKey2.GetValue("Publisher");
                dt.Rows.Add(dr);
            }
        }
    }
}
GridSoftwares.Columns.Clear();
GridSoftwares.DataSource = dt;