Update README.md

Author: adashofdata

README.md

@@ -18,4 +18,14 @@ Open the Anaconda Navigator program. You should see the Jupyter Notebook logo. B
 *Mac/Linux:*
 Open a terminal. Type ```jupyter notebook```. A browser should open up. In the browser window, navigate to the location of the saved Jupyter Notebook files and open 0-Hello-World.ipynb. Follow the instructions in the notebook.
 
+### 4. Install a Few Additional Packages
+
+There are a few additional packages we'll be using during the tutorial that are not included when you download Anaconda - wordcloud, textblob and gensim.
+
+*Windows:*
+Open the Anaconda Prompt program. You should see a black window pop up. Type `conda install -c conda-forge wordcloud` to download wordcloud. You will be asked whether you want to proceed or not. Type `y` for yes. Once that is done, type `conda install -c conda-forge textblob` to download textblob and `y` to proceed, and type `conda install -c conda-forge gensim` to download gensim and `y` to proceed.
+
+*Mac/Linux:*
+Your terminal should already be open. Type command-t to open a new tab. Type `conda install -c conda-forge wordcloud` to download wordcloud. You will be asked whether you want to proceed or not. Type `y` for yes. Once that is done, type `conda install -c conda-forge textblob` to download textblob and `y` to proceed, and type `conda install -c conda-forge gensim` to download gensim and `y` to proceed.
+
 If you have any issues, please email me at adashofdata@gmail.com or come talk to me before the start of the tutorial on Saturday.