diff --git a/README.md b/README.md
index f22fbd6..c4f8876 100644
--- a/README.md
+++ b/README.md
@@ -87,6 +87,10 @@ $ cd rtv
 $ python setup.py install
 ```
 
+### Windows
+
+RTV is not supported on Windows.
+
 ## Usage
 
 To run the program, type: