diff --git a/windows/security/threat-protection/windows-defender-atp/onboard-downlevel-windows-defender-advanced-threat-protection.md b/windows/security/threat-protection/windows-defender-atp/onboard-downlevel-windows-defender-advanced-threat-protection.md
index fb9fa92c3a..a542df63b1 100644
--- a/windows/security/threat-protection/windows-defender-atp/onboard-downlevel-windows-defender-advanced-threat-protection.md
+++ b/windows/security/threat-protection/windows-defender-atp/onboard-downlevel-windows-defender-advanced-threat-protection.md
@@ -1,7 +1,7 @@
 ---
-title: Onboard Windows 7 SP 1 machines on Windows Defender ATP
-description: Onboard Windows 7 SP 1 machines so that they can send sensor data to the Windows Defender ATP sensor
-keywords: Onboard Windows 7 machines, oms, sp1, enterprise, pro, down level
+title: Onboard previous versions of Windows on Windows Defender ATP
+description: Onboard supported previous versions of Windows machines so that they can send sensor data to the Windows Defender ATP sensor
+keywords: onboard, windows, 7, 8, oms, sp1, enterprise, pro, down level
 search.product: eADQiWindows 10XVcnh
 ms.prod: w10
 ms.mktglfcycl: deploy
@@ -13,12 +13,14 @@ ms.localizationpriority: high
 ms.date: 06/11/2018
 ---
 
-# Onboard Windows 7 SP1 machines
+# Onboard Windows previous versions of Windows
 
 **Applies to:**
 
 - Windows 7 SP1 Enterprise
 - Windows 7 SP1 Pro
+- Windows 8.1 Enterprise
+- Windows 8.1 Pro
 - Windows Defender Advanced Threat Protection (Windows Defender ATP)
 
 [!include[Prerelease information](prerelease.md)]
@@ -62,7 +64,7 @@ Review the following details to verify minimum system requirements:
       On the **Agent Setup Options** page, select **Connect the agent to Azure Log Analytics (OMS)
     - [Install the agent using command line](https://docs.microsoft.com/en-us/azure/log-analytics/log-analytics-agent-windows#install-the-agent-using-the-command-line) and [configure the agent using a script](https://docs.microsoft.com/en-us/azure/log-analytics/log-analytics-agent-windows#add-a-workspace-using-a-script).
 
-4. If you’re using a proxy server to connect to the Internet see the Configure proxy settings section.
+4. If you're using a proxy server to connect to the Internet see the Configure proxy settings section.
 
 Once completed, you should see onboarded servers in the portal within an hour.
 
@@ -83,8 +85,6 @@ Agent Resource    |    Ports
 |    winatp-gw-weu.microsoft.com    |    443    |
 |winatp-gw-uks.microsoft.com | 443 |
 |winatp-gw-ukw.microsoft.com | 443 | 
-| winatp-gw-aus.microsoft.com | 443| 
-| winatp-gw-aue.microsoft.com |443 | 
 
 
 ## Offboard client endpoints
diff --git a/windows/security/threat-protection/windows-defender-atp/preview-windows-defender-advanced-threat-protection.md b/windows/security/threat-protection/windows-defender-atp/preview-windows-defender-advanced-threat-protection.md
index 4b90b87fb8..90008c037e 100644
--- a/windows/security/threat-protection/windows-defender-atp/preview-windows-defender-advanced-threat-protection.md
+++ b/windows/security/threat-protection/windows-defender-atp/preview-windows-defender-advanced-threat-protection.md
@@ -10,7 +10,7 @@ ms.pagetype: security
 ms.author: macapara
 author: mjcaparas
 ms.localizationpriority: high
-ms.date: 04/24/2018
+ms.date: 06/11/2018
 ---
 
 # Windows Defender ATP preview features
@@ -42,12 +42,19 @@ Turn on the preview experience setting to be among the first to try upcoming fea
 
 ## Preview features
 The following features are included in the preview release:
+- [Onboard previous versions of Windows](onboard-downlevel--windows-defender-advanced-threat-protection.md)<br>
+Onboard supported versions of Windows machines so that they can send sensor data to the Windows Defender ATP sensor
+  - Windows 7 SP1 Enterprise
+  - Windows 7 SP1 Pro
+  - Windows 8.1 Enterprise
+  - Windows 8.1 Pro 
 
 - [Onboard servers](configure-server-endpoints-windows-defender-advanced-threat-protection.md)<br>
 Windows Defender ATP supports the onboarding of the following servers:
     - Windows Server 2012 R2
     - Windows Server 2016
     - Windows Server, version 1803
+    
 
 - [Create and build Power BI reports using Windows Defender ATP data](powerbi-reports-windows-defender-advanced-threat-protection.md)<br>
 Windows Defender ATP supports the use of Power BI data connectors to enable you to connect and access Windows Defender ATP data using Microsoft Graph.