Как найти каталог Windows 2

{$IFNDEF WIN32}
const MAX_PATH = 144;
{$ENDIF}

...
implementation
...

var
  a : array[0..MAX_PATH] of char;
begin
  GetWindowsDirectory(a, sizeof(a));
  ShowMessage(StrPas(a));
  GetSystemDirectory(a, sizeof(a));
  ShowMessage(StrPas(a));