diff --git a/README.md b/README.md
index 32677bb..e895dd8 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 # SSDTHook
 SSDT table Hook to implement process protection.
 Does not run with PatchGuard.
-Tested on Windows XP.
+
+Does not run on Windows XP 64 bit and newer Windows vers due to the Patchguard. Well there are already papers about bypassing but I'm too lazy to read and update this. Probably will pick it up after the kernel project.