After Python2.7.2 installed in C: \ Python27 \ Scripts directory under pip no need to install pip.
(1) pip Download: https: //pypi.python.org/pypi/pip#downloads
(2) After the download, unzip, in the unpacked directory, run: python setup.py install
(3) in the Path environment variable, add two variables: C: \ Python27 \; C : \ Python27 \ Scripts \; (Path environment variables are separated by semicolons)
(4) Run: pip -V or pip --version, display version information of pip
