doc fixes

docs/static_site/src/pages/get_started/windows_setup.md

@@ -162,18 +162,8 @@ Now that you have installed MXNet core library, you are ready to optionally inst
 - [Julia](#install-the-mxnet-package-for-julia)
 - **Scala** is not yet available for Windows
 
-### Optional step:
-
-install ```graphviz``` library that we use for visualizing network graphs you build on MXNet. We will also install [Jupyter Notebook](http://jupyter.readthedocs.io/)  used for running MXNet tutorials and examples.
-- Install ```graphviz``` by downloading MSI installer from [Graphviz Download Page](https://graphviz.gitlab.io/_pages/Download/Download_windows.html).
-**Note** Make sure to add graphviz executable path to PATH environment variable. Refer [here for more details](http://stackoverflow.com/questions/35064304/runtimeerror-make-sure-the-graphviz-executables-are-on-your-systems-path-aft)
-- Install ```Jupyter``` by installing [Anaconda for Python 2.7](https://www.anaconda.com/download/)
-**Note** Do not install Anaconda for Python 3.5. MXNet has a few compatibility issues with Python 3.5.
-
-
 ## Install the MXNet Package for Python
 
-Use setup.py to install the package.
 ```bash
     # Assuming you are in root mxnet source code folder
     pip install --upgrade --force-reinstall -e python