Updating the supported tags for pip
I have the same error when I run this command. I found error that the installed version of python was x86 and TensorFlow is for x64 versions. I reinstalled the python with x64 version and it works now! I hope this works for you too!
I'm trying to install Tensorflow, and received the following error.

tensorflow-0.12.1-cp35-cp35m-win_amd64.whl is not a supported wheel on this platform.

By reading through other questions, I think I've traced the issue to the cp35 tag not being supported by the version of pip I have installed. What's odd is that I believe I installed python 3.5 and the latest version of pip (9.0.1), but have the following supported tags:

[('cp27', 'cp27m', 'win_amd64'), ('cp27', 'none', 'win_amd64'), ('py2', 'none', 'win_amd64'), ('cp27', 'none', 'any'), ('cp2', 'none', 'any'), ('py27', 'none', 'any'), ('py2', 'none', 'any'), ('py26', 'none', 'any'), ('py25', 'none', 'any'), ('py24', 'none', 'any'), ('py23', 'none', 'any'), ('py22', 'none', 'any'), ('py21', 'none', 'any'), ('py20', 'none', 'any')]

How can I go about modifying the supported tags, or is that even the right approach?