diff --git a/README.md b/README.md
index c26b585..762a65d 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ Desktop application to see IOW server load and connect to IOW and external serve
 
 ## Prerequisites to run the software
 
+* Windows 10 or a common up-to-date Linux distribution
 * Connection to IOW
 * a file ~/.ssh/config which contains the following hosts: 
   * rdpserv