Fix an issue where Python installed under Win7 cannot use the PIP command in a command window

Win7 Environment installation Python3.5 error, so can only install 3.4 and below, after the installation of Python to use the PIP command to install the library file is, found that PIP is not internal or external commands, searched the internet for a long time, did not find a good solution, so he found Pip.exe (in the installation directory Scripts), open cmd under Administrator privileges, and then enter the path of the PIP, using the install * *

Fix an issue where Python installed under Win7 cannot use the PIP command in a command window