Access the website and log in with the appropriate support account. After logging in, select Support on the left side of the page, and then create ticket.
Go to WiFi and Switch Controller > Managed FortiAPs. Select the FortiAP unit you want to register. Right-click and select Registration.
To upload a license file for activation, upgrade, or renewal: Go to Dashboard > Status > License Information widget > Configure License. For License Source, select File Upload. Click Browse and locate the license key file. Click Upload.