diff --git a/code/README b/code/README
index 29d4f91c8f23c184c5fa1d8a4a9bfedf193bb84a_Y29kZS9SRUFETUU=..2c543bf1794fb4e3564b55411d3defc08d92b6a1_Y29kZS9SRUFETUU= 100644
--- a/code/README
+++ b/code/README
@@ -62,6 +62,9 @@
 * As a prerequisite, you first need to install an IBM MQ client in the system that PyMQI is about to be installed;
   it is a free library offered by IBM on top of which higher-level ones, such as PyMQI, can connect to queue managers.
   IBM MQ clients can be downloaded from IBM's website.
+ 
+* Prerequisite for Windows: Microsoft Visual C++ compiler.
+  Each Python version uses a specific compiler version. So, you need to install the compiler version that corresponds to your Python version : https://wiki.python.org/moin/WindowsCompilers
 
 * Now you can use pip to install PyMQI itself: