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As of 2026, ESET Smart Security 9 is considered an older version. While some modules may still receive updates, ESET has moved toward unified plans like . For the best protection against modern threats like zero-day ransomware, it is highly recommended to use the latest version supported by your operating system. Product activation | ESET Smart Security Premium

Without a valid, active license, the software cannot receive the latest virus signature updates, making it useless against new threats. Safe and Legitimate Ways to Get ESET for Free

You can evaluate the latest versions of ESET products by selecting the Free Trial option during installation. This provides full protection for 30 days.

ESET occasionally offers a referral program where you can extend your trial license by inviting others to try the software.

Prevents your computer from being used in a remote-controlled network of infected PCs.