diff --git a/free-courses-en.md b/free-courses-en.md
index f139d3305bceb640e04257371b31d9bb154e41a4..e7e30dbf020c85051169cb4f3e0cba61066ca785 100644
--- a/free-courses-en.md
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@@ -258,6 +258,7 @@
 
 * [Google's Machine Learning Crash Course](https://developers.google.com/machine-learning/crash-course/)
 * [Machine Learning Mini Bootcamp](https://lambdaschool.com/free-course-machine-learning/)
+* [Principles of Machine Learning By Microsoft](https://www.edx.org/course/principles-machine-learning-microsoft-dat203-2x-6)
 * [Stanford University Machine Learning](https://www.coursera.org/learn/machine-learning)