Secure yourself with a robust antivirus solution and the world’s best firewall
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We care about your security, here’s how we protect you
We detect and remove viruses, spyware, Trojan horses, worms, bots and other malicious threats. You can browse online with complete confidence that our software protects your PC from hackers.
Our firewall makes your PC invisible to hackers and protects your data from being compromised. You can instantly disable malicious programs and enjoy proactive protection against cyberattacks. We stop internet attacks at the front door and even catch thieves on their way out.
Multiple layers of advanced security provides you with solid protection
We detect when wireless networks are used and automatically apply the most secure firewall protection setting for your ultimate security.
Control your security settings with our customizable scan modes so you can shield your operating system with the protection that best suits you.
Our software responds quickly to breaking threats with real-time security updates, and leverages threat data from millions of users to ensure you’re always protected.
ZoneAlarm Free Antivirus is compatible with MS Windows Defender, and is not compatible with any other antivirus solution.
To install ZoneAlarm Free Antivirus, you must first uninstall other antivirus software. Otherwise, you may experience OS stability and computer performance issues.