Admin Center License Purchasing License Purchasing Head to the Admin Portal of your tenancy( admin.microsoft.com ): Sign in with your Admin credentials: Expand Billing on the left side: Click on Purchase Services: Expand Purchase from Microsoft Go to the All Products tab: Search for the product you are trying to buy: Choose the correct product and click on details: Select the amount of licenses and the billing cycle, then click Buy: Fill out you credit card information: Click Place Order at the top right once complete: