FortiOS 7.0 was a landmark release for Fortinet. Key reasons to choose this version for your lab include:
Memory and CPU: The trial is limited to 1 CPU core and 2 GB of RAM.Security Features: Only low-level encryption is supported (no high-strength SSL/TLS inspection).FortiGuard Updates: You will not receive real-time updates for Antivirus, IPS, or Web Filtering signatures.VDOMs: Only one Virtual Domain (VDOM) is permitted. Why Version 7.0? fortigate-vm 7.0 download free
Using older firmware versions (such as early releases of 7.0) can expose your lab environment to known vulnerabilities. If you are setting this up to learn firewall configuration, the interface and configuration logic in 7.2 or 7.4 are very similar, but offer better security stability. Always isolate your VM lab from your production network. FortiOS 7
Choose the image format compatible with your hypervisor. Using older firmware versions (such as early releases of 7