Download Comodo Free Firewall

Comodo's Free Firewall is now Comodo Internet Security.

Download Comodo Free Firewall for Windows (32 Bit / 64 Bit)

System Requirements:

  • 32-bit Windows 7 /
    Vista / XP SP2
  • 512 MB RAM
  • 400 MB hard disk space

File Details:

Size: 88 MB (91,767,744 bytes)

Get Full ProtectionFree Antivirus

What's new in Free Firewall

Comodo Free Firewall and Antivirus are now part of Comodo Internet Security.

Release Notes:
Release Date: November 3, 2014
Update: Please see latest latest release notes.

Comodo Free Firewall Key Features:

  • Continuously Monitors and Defends against Internet Attacks
  • Blocks unauthorized access to the Internet from unknown programs
  • Customizable settings to deliver the level of protection that fits YOU

Explore Our Advanced Security Features

Live Expert Help

Have your own personal computer expert available to you 24/7. Get help with cleaning your computer, setting up an email account, installing and configuring your Comodo software and much more. Learn More
Live PC Support


Wherever you are located, whatever type of hardware, using a public Wi-Fi connection or not, Comodo TrustConnect™ keeps you securely connected and your identity and information private. Learn More
Comodo TrustConnect

Comodo Firewall

Your first line of defense in protecting yourself online. A multi-layered security application that will constantly monitor and defend your PC from Internet attacks.
Learn More
Free Firewall

Comodo Antivirus

Detect and eliminate viruses, worms and Trojans. Features on-demand and on-access scanning, email scanning, process monitoring, full scheduling capabilities and more. Learn More
Best Free Antivirus

User Reviews
Get complete protection and advanced security when you upgrade to Internet Security Pro

Advanced Features:

  • Wi-Fi Protection
  • Live Expert help
  • Firewall Protection
  • Antivirus Software
Award Winning Firewall

Our Award-Winning Firewall

The experts agree—when it comes to internet security, Comodo's Free Firewall software is the choice the pro's turn to.

Download Comodo Internet Security Pro

Learn more about our advanced features

Video Tour

Video Tour of Comodo's FeaturesTour Internet Security Pro's features and see what all the buzz is about.

Watch a tour of our advanced Pro features

Your purchase allows you receive the services throughout your subscription period. Upon expiration of the subscription period, you may renew the subscription for additional terms. All services are subject to your acceptance of the Comodo license agreement which is presented during the sign up process and available for review here. Product features may be added, modified, or removed during the service period. All services required high-speed Internet access.