diff --git a/WindowsAppVms.md b/WindowsAppVms.md
index 657a6a76..7d1e0ccf 100644
--- a/WindowsAppVms.md
+++ b/WindowsAppVms.md
@@ -19,6 +19,8 @@ Qubes support tools for Windows is a set of programs and drivers that provide in
 
 Qubes Windows Support Tools are not open source and are distributed under a commercial license and their source code is not publicly available.
 
+NOTE: Currently only 64-bit versions of Windows 7 are support by Qubes Windows Tools.
+
 Installing Windows OS in a Qubes VM
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