why no 2to3 in my python?

[luofeiyu]

why no 2to3 in my python34,how can i change python 2 into python3?
 >dir d:\Python34\Scripts
  Volume in drive D is soft
  Volume Serial Number is 6F34-9A10

  Directory of d:\Python34\Scripts

08/18/2014  09:06 AM    <DIR>          .
08/18/2014  09:06 AM    <DIR>          ..
07/09/2014  09:01 AM            95,064 actdiag.exe
07/09/2014  09:00 AM            95,066 blockdiag.exe
06/14/2014  05:25 PM               333 easy_install-3.4-script.py
06/14/2014  05:25 PM            74,752 easy_install-3.4.exe
06/14/2014  05:25 PM               325 easy_install-script.py
06/14/2014  05:25 PM            74,752 easy_install.exe
05/24/2014  07:06 AM               709 f2py.py
08/04/2014  10:58 AM            10,119 google.py
07/09/2014  09:02 AM            95,063 nwdiag.exe
07/09/2014  09:02 AM            95,067 packetdiag.exe
07/09/2014  09:00 AM             2,337 pilconvert.py
07/09/2014  09:00 AM            15,604 pildriver.py
07/09/2014  09:00 AM             2,582 pilfile.py
07/09/2014  09:00 AM             1,028 pilfont.py
07/09/2014  09:00 AM             2,383 pilprint.py
08/04/2014  04:04 PM                 0 pip
05/17/2014  04:01 AM               286 pip-script.py
05/17/2014  04:01 AM            74,752 pip.exe
05/17/2014  04:01 AM               288 pip3-script.py
05/17/2014  04:01 AM               292 pip3.4-script.py
05/17/2014  04:01 AM            74,752 pip3.4.exe
05/17/2014  04:01 AM            74,752 pip3.exe
07/08/2014  03:51 PM               321 pygmentize-script.py
07/08/2014  03:51 PM            74,752 pygmentize.exe
03/17/2014  10:22 AM            78,848 python3.dll
07/09/2014  09:02 AM            95,065 rackdiag.exe
07/08/2014  03:52 PM               600 rst2html.py
07/08/2014  03:52 PM               797 rst2latex.py
07/08/2014  03:52 PM               606 rst2man.py
07/08/2014  03:52 PM               770 rst2odt.py
07/08/2014  03:52 PM             1,704 rst2odt_prepstyles.py
07/08/2014  03:52 PM               607 rst2pseudoxml.py
07/08/2014  03:52 PM               643 rst2s5.py
07/08/2014  03:52 PM               792 rst2xetex.py
07/08/2014  03:52 PM               608 rst2xml.py
07/08/2014  03:52 PM               676 rstpep2html.py
07/09/2014  09:01 AM            95,064 seqdiag.exe
07/08/2014  03:51 PM            95,062 sphinx-apidoc.exe
07/08/2014  03:51 PM            95,080 sphinx-autogen.exe
07/08/2014  03:51 PM            95,055 sphinx-build.exe
07/08/2014  03:51 PM            95,066 sphinx-quickstart.exe
07/09/2014  10:05 PM            95,059 virtualenv-2.7.exe
05/17/2014  04:03 AM               332 virtualenv-3.4-script.py
05/17/2014  04:03 AM            74,752 virtualenv-3.4.exe
05/17/2014  04:03 AM               324 virtualenv-script.py
05/17/2014  04:03 AM            74,752 virtualenv.exe
08/18/2014  09:06 AM    <DIR>          __pycache__
               46 File(s)      1,767,641 bytes
                3 Dir(s)   5,010,251,776 bytes free