If the trial period ends, consider these alternatives to maintain protection:

ESET NOD32 Antivirus is a reliable and effective antivirus solution that offers robust protection against various types of malware. While there are some "free" license keys available online, these are often illegitimate and may pose a risk to your system's security. We recommend purchasing a legitimate license or using the free trial version to test the software.

ESET monitors simultaneous activations. Publicly shared keys are quickly deactivated by the server.

A sample of a listed Universal Key from that page: 8UAV-X7VN-FTWK-FRSS-7P3X