Kaspersky Free Antivirus 2019 has one of the fastest scanning engines around, plus an ability to customize its defenses and malware protection that's second to none. It is bare-bones basic, lacking the items, such as a password manager, hardened browser, firewall or other bells and whistles, that rival brands build their free security software around. Yet despite those shortcomings, we think it's the best free antivirus software out there.
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