diff --git a/windows/security/threat-protection/windows-defender-system-guard/system-guard-secure-launch-and-smm-protection.md b/windows/security/threat-protection/windows-defender-system-guard/system-guard-secure-launch-and-smm-protection.md
index c73336b070..a49872ff9a 100644
--- a/windows/security/threat-protection/windows-defender-system-guard/system-guard-secure-launch-and-smm-protection.md
+++ b/windows/security/threat-protection/windows-defender-system-guard/system-guard-secure-launch-and-smm-protection.md
@@ -15,9 +15,14 @@ ms.author: dansimp
 ms.technology: windows-sec
 ---
 
+**Applies to:**
+
+-   Windows 11
+-   Windows 10
+
 # System Guard Secure Launch and SMM protection
 
-This topic explains how to configure [System Guard Secure Launch and System Management Mode (SMM) protection](system-guard-how-hardware-based-root-of-trust-helps-protect-windows.md) to improve the startup security of Windows 10 devices. The information below is presented from a client perspective.
+This topic explains how to configure [System Guard Secure Launch and System Management Mode (SMM) protection](system-guard-how-hardware-based-root-of-trust-helps-protect-windows.md) to improve the startup security of Windows 10 and Windows 11 devices. The information below is presented from a client perspective.
 
 ## How to enable System Guard Secure Launch