Update attack-surface-reduction-exploit-guard.md

windows/security/threat-protection/windows-defender-exploit-guard/attack-surface-reduction-exploit-guard.md

@@ -20,7 +20,7 @@ ms.date: 04/02/2019
 
 - [Windows Defender Advanced Threat Protection (Windows Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2069559)
 
-Attack surface reduction rules help prevent behaviors malware often uses to infect computers with malicious code. You can set attack surface reduction rules for computers running Windows 10, version 1709 or later, Windows Server 2016 1803 or later, or Windows Server 2019. 
+Attack surface reduction rules help prevent behaviors malware often uses to infect computers with malicious code. You can set attack surface reduction rules for computers running Windows 10, versions 1704 and 1709 or later, Windows Server 2016 1803 or later, or Windows Server 2019. 
 
 To use attack surface reduction rules, you need a Windows 10 Enterprise E3 license or higher. A Windows E5 license gives you the advanced management capabilities to power them. These include monitoring, analytics, and workflows available in [Windows Defender Advanced Threat Protection](../windows-defender-atp/windows-defender-advanced-threat-protection.md), as well as reporting and configuration capabilities in the M365 Security Center. These advanced capabilities aren't available with an E3 license, but you can use attack surface reduction rule events in Event Viewer to help facilitate deployment.
 
@@ -58,6 +58,8 @@ Event ID | Description
 1121 | Event when rule fires in Block-mode
 1122 | Event when rule fires in Audit-mode
 
+The engine version of the attack surface reduction events in the event log, is part of the Widnows Defender product, not of the Oeprating System, but because Windows Defender is integrated with Windows 10 Operating System, this feature works on all machines with Windows 10 installled.
+
 
 ## Attack surface reduction rules
 
@@ -269,3 +271,5 @@ GUID: 7674ba52-37eb-4a4f-a9a1-f0f9a1619a2c
 
 - [Enable attack surface reduction rules](enable-attack-surface-reduction.md)
 - [Evaluate attack surface reduction rules](evaluate-attack-surface-reduction.md)
+- [Compatibility of Windows Defender with other antivirus/antimalware](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/windows-defender-antivirus-compatibility)
+