1- go to this link
2-download your module keep in mind you will choose the file you download according to your system 32x ,64x and the python version you have 3.4 or 2.7.
3-go to the path where you download the file with the extention *.whl
4-open the command and run
pip install <file_name_u_just_dowload>
make sure your are adding pip and python to your sys environment variable to be apple to use the pip command