For over two decades, ZoneAlarm has safeguarded millions of computers and mobile devices against phishing, malware, ransomware, and the most advanced online threats.

ZoneAlarm Free Firewall acts as a barrier between your device and the internet, monitoring incoming and outgoing traffic to block potential threats. With essential protection against malware, viruses, and …

A unique ZoneAlarm feature that protects you against unknown Zero-day attacks by examining suspicious files in the cloud. Files are sent to a virtual sandbox where suspicious malware behaviors …

Thank you for choosing ZoneAlarm! Just follow these steps to complete your ZoneAlarm installation.

Download Free Antivirus for Windows by ZoneAlarm. Get the full version for PC - Free, with an award winning firewall for the ultimate PC security

Join millions around the world who have installed the best-in-class ZoneAlarm free firewall.

ZoneAlarm Support Browse by product ZoneAlarm Extreme Security NextGen ZoneAlarm Pro Antivirus + Firewall NextGen

Welcome to ZoneAlarm! Your PC is now protected with the world's #1 Firewall and award-winning Antivirus, as well as Advanced Real-Time Antivirus.

As one of the world’s best firewalls, ZoneAlarm’s two-way firewall controls what enters and exits your PC, safeguarding you from both inbound and outbound cyber-attacks, protecting your PC’s operating …

Dec 15, 2020 · Note: To install ZoneAlarm, you must first uninstall any other Antivirus or Firewall software. Otherwise, you may experience OS stability and computer performance issues. ZoneAlarm …