无法安装Django - 无法获取索引基URL https://pypi.python.org/simple/

I am trying to install Django on my windows computer, but I am unable to install it. I have been asked to setup the environment, but I am new to this, I have never used Python or Django before, I don't even know what is the use of Django properly. So far I have install Python34. I have setup the environment variables. I have installed pip. When I run I am trying to install Django on my windows com