Узнаём стандартные папки Windows

uses Registry; 

procedure TForm1.Button1Click(Sender: TObject); 
var 
  reg : TRegistry; 
  ts : TStrings; 
  i : integer; 
begin 
  reg := TRegistry.Create; 
  reg.RootKey := HKEY_CURRENT_USER; 
  reg.LazyWrite := false; 
  reg.OpenKey( 
   'Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders', 
              false); 
    ts := TStringList.Create; 
    reg.GetValueNames(ts); 
    for i := 0 to ts.Count -1 do begin 
      Memo1.Lines.Add(ts.Strings[i] + 
                      ' = ' + 
                      reg.ReadString(ts.Strings[i])); 
    end; 
    ts.Free; 
  reg.CloseKey; 
  reg.free; 
end;