ZoneAlarm Free Firewall
Protect your Windows PC with a two-way firewall, antivirus application and optional security toolbar
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ZoneAlarm includes a two-way firewall, antivirus protection and an optional security toolbar that warns you about dangerous websites.
In version 11, the user interface has been revised once again and no longer confuses the user with licence warnings, which only relate to the paid version. Now you can see, at a glance, whether the firewall or the virus scanner are functioning properly.