FirewallĬlicking on the View Details button takes you to the dedicated Firewall window. Do not be tempted to click that Install button running two antivirus programs can crash your system. The Antivirus is an optional component in ZoneAlarm Free Firewall, and you do not need to download if you already have an antivirus installed on your computer. The Home screen has following three sections.Ĭlick on View Details to get detailed information about each one of them.

ZoneAlarm uses their technology called DefenseNet to identify and block malicious or dubious programs present your system from connecting to the Internet, and to filter malicious traffic coming from the Internet to your computer.

The world’s most downloaded firewall – The most downloaded, the oldest, and a top-rated firewall software that is also actively developed.

Stops Spyware from sending your personal info out – Blocks and terminates the unauthenticated and suspicious outgoing connections made by spyware and other harmful programs as well along with filtering the incoming network traffic.

Blocks new attacks that bypass Antivirus protection – That’s why we use a firewall it is the first line of defence.

Makes your PC invisible to Hackers – Makes the PC invisible to outsiders by hiding its Ports, thus protecting it from hackers.

Free protection against Hackers and Spyware – The free version provides you all the protection that you need from a complete firewall software.

These five images tell you everything that you need to know about this wonderful program.

ZoneAlarm displays five banners in its installer while it is downloading and installing the product on your computer.

ZoneAlarm is the oldest, the most popular, and the most downloaded free firewall software available for Windows. Best Free Firewall Products for Windows PC in 2019 – ZoneAlarm Free Firewall.

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