Since FortiOS 7.2.1, Fortinet has replaced the old 15-day trial with a for FortiGate VMs. This license never expires, making it ideal for long-term lab environments and exam prep. How to Get Your Free License
FortiGate’s primary value is its live threat intelligence. A fake license cannot connect to Fortinet’s servers, meaning your firewall won't have updated virus or malware definitions.
: Max 3 interfaces, 3 firewall policies, and 3 routes.