diff --git a/fundamentals2.md b/fundamentals2.md
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--- a/fundamentals2.md
+++ b/fundamentals2.md
@@ -13,8 +13,14 @@ Typical windows programs are in the Portable Executable (PE) Format. It’s port
 
 ![alt text](https://securedorg.github.io/images/Cprogram.gif "C Program")
 
+## Windows Architecture ##
+
+![alt text](https://securedorg.github.io/images/WindowsArch.png "Windows Architecture")
+
 ## PE Header ##
 
+![alt text](https://securedorg.github.io/images/PE32.png "PE 32 Header")
+
 ## Memory Layout ##
 
 ## The Stack ##
diff --git a/images/PE32.png b/images/PE32.png
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diff --git a/images/WindowsArch.png b/images/WindowsArch.png
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