diff --git a/courses/free-courses-en.md b/courses/free-courses-en.md
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--- a/courses/free-courses-en.md
+++ b/courses/free-courses-en.md
@@ -391,6 +391,7 @@
 * [C# Tutorial - Full Course for Beginners](https://www.youtube.com/watch?v=GhQdlIFylQ8) - Mike Dane (freeCodeCamp)
 * [C# Tutorial For Beginners - Learn C# Basics in 1 Hour](https://www.youtube.com/watch?v=gfkTfcpWqAY) - Moshfegh Hamedani (Programming with Mosh)
 * [Domain-Driven Refactoring - Jimmy Bogard - NDC London 2022](https://www.youtube.com/watch?v=f64tZ90Dntg) - Jimmy Bogard
+* [Foundational C# with Microsoft Certification](https://www.freecodecamp.org/learn/foundational-c-sharp-with-microsoft) - freeCodeCamp, Microsoft (HTML)
 * [Fundamentals of Programming: Understanding C#](https://www.udemy.com/course/understandingc/) - Jesse Dietrichson (Udemy)
 * [Learn C#](https://www.sololearn.com/learning/1080) - *registration required*
 * [Learn C#](https://www.codecademy.com/learn/learn-c-sharp) - Codecademy