Go to > right-click your group > Install Packages > Deploy to Group > select the 14.3 client package.
Don't hit "Install" just yet. Follow these Best Practices to avoid common pitfalls: symantec endpoint protection upgrade 14.2 to 14.3
If you encounter any issues during the upgrade process, refer to the following troubleshooting tips: Go to > right-click your group > Install
The leap to 14.3 is less about "new buttons" and more about "new intelligence": Go to >
: Protection against dynamic script-based malware (PowerShell, JavaScript).
Before starting, ensure your environment meets the necessary requirements to prevent installation failure: