diff --git a/README.md b/README.md
index 6a6e454..304e8e9 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,14 @@ classic book on Windows Programming, "Programming Windows" by Charles Petzold. h
 The book has been a great inspiration and "SinhalaOombi" has started even before finishing it. 
 
 ## Compiling 
-The original source was compiled using Microsoft Visual Studio 2001. 
+The original source in the master branch was compiled using Microsoft Visual Studio 2001. 
+Development branch uses CMake build system. To generate sources and build, use following commands.
+
+```
+  cd <SourceDir>
+  mkdir build
+  cd build
+  cmake ..
+  cmake --build .
+```
 
-## Todo
-* Convert the project into CMake based build system.