Get a list of installed software in C#‎

private string Getinstalledsoftware()

{

    string Software = null;



    string SoftwareKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninst  all";

    using (RegistryKey rk = Registry.LocalMachine.OpenSubKey(SoftwareKey))

    {

        foreach (string skName in rk.GetSubKeyNames())

        {

            using (RegistryKey sk = rk.OpenSubKey(skName))

            {

                try

                {

                    if (!(sk.GetValue("DisplayName") == null))

                    {

                        if (sk.GetValue("InstallLocation") == null)

                            Software += sk.GetValue("DisplayName") + " - Install path not known\n"; //Nope, not here.

                        else

                            Software += sk.GetValue("DisplayName") + " - " + sk.GetValue("InstallLocation") + "\n"; //Yes, here it is...

                    }

                }

                catch (Exception ex)

                {

                    //No, that exception is not getting away... :P

                }

            }

        }

    }

    return Software;

}
منبع : http://www.dreamincode.net/code/snippet1995.htm