You can get a genuine ESET NOD32 License Key for a 30-day free trial directly from the official website
During the trial period, you might not need a license key. However, if you're looking to purchase ESET NOD32 after your trial ends, you'll need to acquire a valid license key from ESET or an authorized reseller. Eset Nod32 License Key 30 Day Free Trial
Q: I lost my trial key email. What do I do? A: Go to the Eset "Lost License" page and select "Trial key recovery." Enter the email you used, and Eset will resend the key. You can get a genuine ESET NOD32 License
ESET will generate your trial license key and send a confirmation email containing the license details. Important Trial Details Try ESET Free: Antivirus & Advanced Cyber Security Trial What do I do
Click "Download Trial" under Eset Nod32 Antivirus.
One-Time Use: A trial license can typically only be activated once per email address and per device.