Issue #407: Register Endpoint as Windows AV (#451)

* Issue #407: Register Endpoint as Windows

* Small grammar edit

* Update docs/getting-started/install-endpoint.asciidoc

Co-authored-by: Janeen Mikell-Straughn <[email protected]>

* Update docs/getting-started/install-endpoint.asciidoc

Co-authored-by: Janeen Mikell-Straughn <[email protected]>

Co-authored-by: Janeen Mikell-Straughn <[email protected]>

Author: narcher7

docs/getting-started/images/register-as-antivirus.png

@@ -107,11 +107,24 @@ After you have installed the agent, malware prevention is automatically enabled
 [role="screenshot"]
 image::images/install-endpoint/malware-protection.png[]
 
+## Register as antivirus (Windows Only)
+
+If you download the Elastic Agent on Windows 10 or above, you can configure Elastic Security as your antivirus software by doing the following:
+
+1. Go to **Fleet** > **Agents**. A list of hosts with the Elastic Agent appears. 
+2. Select your desired host from the list.
+3. From the host's page, find your named **Endpoint** integration and select it. 
+4. On the Integration Edit page, look for the **Protections** section and find **Type: Register as antivirus**. Toggle this option to enable. 
++
+[role="screenshot"]
+image::images/register-as-antivirus.png[]
+5. Click **Save Integration**. Confirm that you would like to update your Elastic Agent. Once updated, Windows Defender will be disabled on your local host in favor of Elastic Security.
+
 [discrete]
 [[verify-endpoint-enrollment]]
 == Verify Endpoint Enrollment
 
 After installing the {agent}, there's a lag time of several hours between when the Elastic Endpoint begins detecting and sending alerts to {Kibana}. To ensure that the installation of Elastic Endpoint on your host was successful,  go to **Administration > Endpoints**. A message appears that says, "Endpoints are enrolling. View agents to track progress".
 
 [role="screenshot"]
-image::images/install-endpoint/endpoints-enrolling.png[]
+image::images/install-endpoint/endpoints-enrolling.png[]