Hi, If u still facing problem then this is what I did:
1. Remove Anaconda through Control Panel
2. Install Python 3.4: Change Path in system
3. Install pip : change Path to C;\Python34\Scripts
4. Installed Anaconda3
5. used below command to install Zipline:
conda create -n zipline-env -c quantopian zipline python=3.4
Regards,
conda create -n zipline-env -c quantopian zipline python=3.4