In order to avoid the re-installation of the system and East-west to find, now this record of the current common Python package install process.
1) python:2.7.11,: www.python.org. Because the individual likes to use the PYQT4 (actually does not PyQt5 ... ), so select Install Python2.7.
Once you have installed Python, remember to add d:/python27 and d:/python/scripts to the path of the system environment variable.
Open the cmd window for Windows and enter the pip install package to install the appropriate packages, such as Pip install NumPy.
View the installed packages with the PIP list, and delete the packages to enter the PIP uninstall package .
2) packages that can be installed in PIP mode:
A) NumPy: data processing;
b) Matplotlib: Visualization of data;
c) Pandas: data analysis;
d) pyserial: Serial Communication (note: The pyserial installed with PIP is version 3, and only Pyserial2 version can be used on WinXP);
e) Cx_freeze: package py as EXE file.
3) packages that cannot be installed by PIP:
A) pyqt4::https://www.riverbankcomputing.com/software/pyqt/download, after downloading EXE file, double click install;
b) scipy::http://www.lfd.uci.edu/~gohlke/pythonlibs/, download the corresponding version, such as: SCIPY-0.17.1-CP27-CP27M-WIN32.WHL, by PIP installation, such as: Pip Install SCIPY-0.17.1-CP27-CP27M-WIN32.WHL;
c) pyserial2::http://www.lfd.uci.edu/~gohlke/pythonlibs/, download the corresponding version, such as: PYSERIAL-2.7-PY2-NONE-ANY.WHL, also through the PIP command installation.
Personal Python common package and its installation