Eset — Server Security License Key ((link))

that provides a temporary license key upon activation with a valid email address through their Free Trial Page License Recovery:

Do NOT uninstall the software. Simply purchase a "Renewal License Key" from your reseller. Then go to Help → Change License → Enter new key . The software updates instantly. Eset Server Security License Key

Note that "Firewall" features in newer versions (v11+) may require a specific ESET PROTECT Entry Tier subscription or higher. Advanced) to see which license fits your server best? Add license | ESET Business Account that provides a temporary license key upon activation

Searching for an will inevitably show results for keygens, cracks, and "lifetime" unlockers. Using these on a server is one of the worst IT decisions you can make. Eset Server Security License Key