Improved explanation for Windows build

README.md

@@ -8,6 +8,16 @@ The latest release is part of the git repository, in the well-named **Release**
 All the information you need is available on www.woopsa.org/get-started
 
 ## Building / Making a release
-If you want to make a release for Woopsa, it's simple!
- * **Windows**: simply run the make-release-windows.bat file
- * **Linux/MacOS**: a release script is coming soon!
+### Windows
+Run the make-release-windows.bat file. This will
+ * Build the .NET library
+ * Build the WoopsaDemo server
+ * Minify/uglify the JavaScript library
+ * Copy all those things in the ``Release`` directory
+
+System requirements:
+ * Visual Studio Professional 2013 or newer (requires devenv to be in your ``PATH`` variable)
+ * Uglifyjs (requires nodejs)
+
+### Linux/MacOS
+A build/release script is coming soon!