Upgrading FortiOS
For the recommended upgrade path, see Upgrade Path Tool. For PAYG, select FortiGate-VM-AZUREONDEMAND. For BYOL, select FortiGate-VM-AZURE. Select the current and target upgrade versions to see the upgrade path.
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