clarifying about azure account

Author: batamig

articles/defender-for-iot/organizations/eiot-sensor.md

@@ -28,7 +28,8 @@ Before you start registering an Enterprise IoT sensor:
 
     If you only want to view data in the Azure portal, an Enterprise IoT plan isn't required. You can also onboard your Enterprise IoT plan from Microsoft 365 Defender after registering your network sensor to bring [extra device visibility and security value](concept-enterprise.md#security-value-in-microsoft-365-defender) to your organization.
 
-- Make sure you can access the Azure portal as a [Security admin](/azure/role-based-access-control/built-in-roles#security-admin), [Contributor](/azure/role-based-access-control/built-in-roles#contributor), or [Owner](/azure/role-based-access-control/built-in-roles#owner) user.
+- Make sure you can access the Azure portal as a [Security admin](/azure/role-based-access-control/built-in-roles#security-admin), [Contributor](/azure/role-based-access-control/built-in-roles#contributor), or [Owner](/azure/role-based-access-control/built-in-roles#owner) user. If you don't already have an Azure account, you can [create your free Azure account today](https://azure.microsoft.com/free/).
+
 
 - Allocate a physical appliance or a virtual machine (VM) to use as your network sensor. Make sure that your machine has the following specifications: