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Download ZoneAlarm® Extreme Security software for comprehensive protection of your PC. Free for all Bell MTS Internet customers.


  • Easy to use virus protection
  • Firewall
  • PC Tune-Up
  • Spam protection
  • ZoneAlarm® ForceField

For additional support, visit ZoneAlarm® Extreme Security Technical Support.

System requirements

Microsoft® Windows® 7, 8, 8.1, 10 All versions

  • 32-bit / 64-bit, 2 GB RAM
  • 2 GHz or faster processor
  • 1.5 GB of available hard-disk space

Microsoft .NET Framework

  • Version 3.5 or later
  • Note: If a supported Microsoft .NET Framework is not installed, it will be installed with ZoneAlarm 2019

Web Secure Chrome Extension

  • Google Chrome (All versions)

ZoneAlarm Mobile Security App

  • Android 4.2 or newer.
  • iOS 9.0 or newer.

ZoneAlarm 2019 is only compatible with MS Windows Defender, and is not compatible with any other anti-malware software.

To install ZoneAlarm 2019, you must first uninstall other anti-malware software. Otherwise, you may experience OS stability and computer performance issues.


Hours of operation