--- title: Add an Azure AD tenant and Azure AD subscription description: Here's a step-by-step guide to adding an Azure Active Directory tenant, adding an Azure AD subscription, and registering your subscription. ms.assetid: 36D94BEC-A6D8-47D2-A547-EBD7B7D163FA ms.author: maricia ms.topic: article ms.prod: w10 ms.technology: windows author: MariciaAlforque ms.date: 06/26/2017 --- # Add an Azure AD tenant and Azure AD subscription Here's a step-by-step guide to adding an Azure Active Directory tenant, adding an Azure AD subscription, and registering your subscription. > **Note**  If you have paid subscriptions to Office 365, Microsoft Dynamics CRM Online, Enterprise Mobility Suite, or other Microsoft services, you have a free subscription to Azure AD. For step-by-step guide to register this free subscription, see [Register your free Azure Active Directory subscription.](#register-your-free-azure-active-directory-subscription) 1. Sign-up for Azure AD tenant from [this website](https://account.windowsazure.com/organization) by creating an administrator account for your organization. ![sign up for azure ad tenant](images/azure-ad-add-tenant1.png) 2. Enter the information for your organization. Click **check availability** to verify that domain name that you selected is available. ![sign up for azure ad](images/azure-ad-add-tenant2.png) 3. Complete the login and country information. You must provide a valid phone number, then click **Send text message** or **Call me**. ![create azure account](images/azure-ad-add-tenant3.png) 4. Enter the code that you receive and then click **Verify code**. After the code is verified and the continue button turns green, click **continue**. ![add aad tenant](images/azure-ad-add-tenant3-b.png) 5. After you finish creating your Azure account, you are ready to add an Azure AD subscription. If you don't have a paid subscription to any Microsoft service, you can purchase an Azure AD premium subscription. Go to Office 356 portal, and then sign in using the admin account that you just created in Step 4 (for example, user1@contosoltd.onmicrosoftcom). ![login to office 365](images/azure-ad-add-tenant4.png) 6. Click **Install software**. ![login to office 365](images/azure-ad-add-tenant5.png) 7. In the Office 365 portal, select **Purchase Services** from the left nagivation. ![purchase service option in admin center menu](images/azure-ad-add-tenant6.png) 8. On the **Purchase services** page, scroll down until you see **Azure Active Directory Premium**, then click to purchase. ![azure active directory option in purchase services page](images/azure-ad-add-tenant7.png) 9. Continue with your purchase. ![azure active directory premium payment page](images/azure-ad-add-tenant8.png) 10. After the purchase is completed, you can login to your Office 365 Admin Portal and you will see the **Azure AD** option from the Admin drop-down menu along with other services (SharePoint, Exchange, etc...). ![admin center left navigation menu](images/azure-ad-add-tenant9.png) When you choose Azure AD, it will take you to the Azure AD portal where you can manage your Azure AD applications. ## Register your free Azure Active Directory subscription If you have paid subscriptions to Office 365, Microsoft Dynamics CRM Online, Enterprise Mobility Suite, or other Microsoft services, you have a free subscription to Azure AD. Here's a step-by-step guide to register your free Azure AD subscription using an Office 365 Premium Business subscription. 1. Sign in to the Office 365 portal at using your organization's account. ![register azuread](images/azure-ad-add-tenant10.png) 2. On the **Home** page, click on the Admin tools icon. ![register azuread](images/azure-ad-add-tenant11.png) 3. On the **Admin center** page, hover your mouse over the Admin tools icon on the left and then click **Azure AD**. This will take you to the Azure Active Directory sign-up page and brings up your existing Office 365 organization account information. ![register azuread](images/azure-ad-add-tenant12.png) 4. On the **Sign up** page, make sure to enter a valid phone number and then click **Sign up**. ![register azuread](images/azure-ad-add-tenant13.png) 5. It may take a few minutes to process the request. ![register azuread](images/azure-ad-add-tenant14.png) 6. You will see a welcome page when the process completes. ![register azuread](images/azure-ad-add-tenant15.png)