Editors' Note: The Download Now link will download an installer file to your desktop. Remain online and double-click the installer to proceed with the actual download.
ZoneAlarm Free Firewall blocks viruses that antivirus alone misses, stops hackers attempting to break into your computer, and unlike the default Windows firewall, provides outbound firewall protection to stop spyware from phoning home and botnets from taking over your PC. ZoneAlarm Free Firewall is easy for anyone to use. It operates automatically, due to its powerful DefenseNet cloud service, so users are not interrupted with unnecessary alerts.
What's new in this version:
New user-friendly design:
- Easy for all levels of users
- Confirms protection at a glance
- Indicates security components you have and do not have
- Makes securing your computer faster and easier than ever.
- New Quick install reduces time to get started
- Web installer also shortens and simplifies entire download and install time
Enhanced Cloud Security: Continued growth of DefenseNet, the 3rd generati... See all new features »