Upgrading to an add-on license
You must activate a trial license before you can upgrade FortiManager-VM to a purchased add-on license.
See also FortiManager 6.4 Trial License Guide.
Network Security 
Network Security
NOC & SOC Management
Enterprise Networking
Business Communications
Zero Trust Access 
Cloud Security 
Hybrid Cloud Security
Cloud Native Protection
Web Application / API Protection
SAAS Security
Security Operations 
SOC Platform
Advanced Threat Protection
Endpoint Security