Update README.md

README.md

@@ -5,4 +5,9 @@ Materials Science and Tecnhology Division <br>
 Oak Ridge National Laboratory <br>
  <br>
 Paper submitted to Materials and Design <br>
-`* parishcm@ornl.gov`
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+`* parishcm@ornl.gov`<br>
+<br>
+tested on Anaconda Python 3.6.8 and 3.7<br>
+Matplotlib 3.0.x<br>
+<br>
+Tested on Windows 7, Windows 10, and Mas OS
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