You can participate in the ESET Beta Program to test upcoming versions for free.
Sites offering "free" keys are frequently used as traps to distribute malware, including spyware and ransomware.
To ensure your protection remains active and supported, always purchase from authorized retailers: ESET licenses on eBay, YouTube, etc. - ESET NOD32 Antivirus Eset Nod32 License Key Free - Search Shopping
Using unauthorized keys violates the ESET End User License Agreement (EULA) and may be a violation of local copyright laws.
Using unlicensed or pirated keys from unofficial sources can compromise your digital safety in several ways: You can participate in the ESET Beta Program
ESET offers a full-featured 30-day free trial for its products. This allows you to test the software's performance without a credit card.
Official technical assistance is only available to users with valid, purchased licenses. Safe Ways to Get ESET NOD32 - ESET NOD32 Antivirus Using unauthorized keys violates
If you want to try ESET before committing to a purchase, there are official, risk-free options:
For mobile protection, ESET offers a freemium version of their security software.