Without a license, the FortiGate will operate in (usually 15 days) or restrict to 1 Mbps throughput.
The vm64 designation indicates a build. Fortinet produces FortiGate-VM images for various virtualization platforms, all built on a 64-bit architecture to support modern CPU instructions and large memory addressing. For reference, the FOS-VM64 notation appears across FortiOS release notes as a supported virtual model across multiple hypervisor platforms. fgt-vm64-kvm-v7.2.1.f-build1254-fortinet.out.kvm.qcow2
This segment specifies the target virtualization platform: . KVM is a full virtualization solution built directly into the Linux kernel, leveraging hardware virtualization extensions (Intel VT-x or AMD-V) to run multiple isolated virtual machines with near-native performance. Without a license, the FortiGate will operate in
