Free Firewall + Antivirus By Comodo!

Comodo Firewall and Antivirus is now Comodo Internet Security. The Latest version of our award-winning Firewall.

Download Comodo Firewall + Antivirus for Windows

Choose Operating System :

System Requirements:

  • Windows10, Windows 8, Windows 7 /
    Vista / XP SP2
  • 512 MB RAM
  • 400 MB hard disk space

File Details:

Size:128 MB (133,334,048 bytes)

Download our free Firewall and Antivirus to take the first step in protecting your PC from malware, viruses, worms, and more.

What's new in this version?

Comodo Internet Security 4.1 includes Defense+ File Protection updates.

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

Installation Options:
During the setup process you will be given the choice to:

  • Install the Antivirus as a standalone
  • Install the Firewall as a standalone
  • Install both Firewall and Antivirus

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
Comodo 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
Comodo Firewall
Get complete protection and advanced security when you upgrade to Internet Security Pro

Advanced Features:

  • WiFi Protection
  • Live Expert help
  • Firewall Protection
  • Antivirus Software
Comodo Firewall Award

Our Award-Winning Firewall

The experts agree—when it comes to threat protection, Comodo's 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.

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