1# install pandas (basic, if path is not set yet)
2py -m pip install pandas
3# or set PATH to use pip:
4setx PATH "%PATH%;C:\<path\to\python\directory\>\Scripts"
5pip install pandas
6# if "connection error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed" [!]:
7py -m pip install --trusted-host pypi.python.org pip pandas
8# if PermissionError: [WinError 5] Access is denied
9py -m pip install --user pandas
10# or via creating a virtual environment venv:
11py -m venv c:\path\to\new\environment
12# then execute:
13c:\path\to\new\environment\Scripts\activate.bat
1C:\> py -m pip install pandas %= one of Python on the system =%
2C:\> py -2 -m pip install pandas %= one of Python 2 on the system =%
3C:\> py -2.7 -m pip install pandas %= only for Python 2.7 =%
4C:\> py -3 -m pip install pandas %= one of Python 3 on the system =%
5C:\> py -3.6 -m pip install pandas %= only for Python 3.6 =%
6