diff --git a/README.md b/README.md
index 0e58a6c..fec1e1b 100644
--- a/README.md
+++ b/README.md
@@ -6,3 +6,7 @@ specific subset of the C standard with some modifications and extensions
 
 See the top-level [documentation](doc/c02.txt) for more information.
 
+## Building the Compiler
+In Linux, use gcc and the [Makefile](./Makefile).
+
+In Windows use the [Pelles C IDE](http://www.smorgasbordet.com/pellesc/) and the file [./C02.ppj](c02.ppj).