diff --git a/README.txt b/README.txt
index 13e1a21c..7dadf700 100644
--- a/README.txt
+++ b/README.txt
@@ -11,4 +11,16 @@ Currently these protocols are supported:
  * Telnet (TELecommunication NETwork)
  * HTTP/S (Hypertext Transfer Protocol)
  * Rlogin (Rlogin)
- * RAW
\ No newline at end of file
+ * RAW
+ 
+mRemoteNG can be installed on Windows 7 or later.
+
+Windows 7 systems require RDP version 8:
+https://support.microsoft.com/en-us/kb/2592687 
+OR
+https://support.microsoft.com/en-us/kb/2923545
+
+Windows 8+ support RDP version 8+ out of the box.
+
+RDP versions are backwards compatible, so an mRemoteNG client running on Windows 10 can 
+connection successfully to a Windows 2003 host (for example).
\ No newline at end of file