System requirements Before you install ZoneAlarm, make sure your device complies with the installation requirements.Select a product:ZoneAlarm Extreme Security NextGenMicrosoft® Windows® 10, 1132-bit, 3 GB RAM / 64-bit, 4 GB RAM2 GHz or faster processor1.5GB of available hard-disk spaceMicrosoft .NET frameworkVersion 3.5 or laterNote: If a supported Microsoft .NET Framework is not installed, it will be installed with ZoneAlarmWeb Secure ExtensionGoogle ChromeMicrosoft EdgeFirefoxBraveZoneAlarm Mobile Security AppAndroid 8.0 or neweriOS 13.0 or newerCompatibilityZoneAlarm is only compatible with MS Windows Defender, and is not compatible with any other anti-malware software.To install ZoneAlarm, you must first uninstall other anti-malware software. Otherwise, you may experience OS stability and computer performance issues. ZoneAlarm Pro Antivirus + Firewall NextGenMicrosoft® Windows® 10, 1132-bit, 3 GB RAM / 64-bit, 4 GB RAM2 GHz or faster processor1.5GB of available hard-disk spaceMicrosoft .NET frameworkVersion 3.5 or laterNote: If a supported Microsoft .NET Framework is not installed, it will be installed with ZoneAlarmWeb Secure ExtensionGoogle ChromeMicrosoft EdgeFirefoxBraveCompatibilityZoneAlarm is only compatible with MS Windows Defender, and is not compatible with any other anti-malware software. To install ZoneAlarm, you must first uninstall other anti-malware software. Otherwise, you may experience OS stability and computer performance issues. ZoneAlarm Anti-RansomwareMicrosoft® Windows® 10,1132 or 64-bit, 2 GB RAM2 GHz or faster processor1.2GB of available hard-disk spacePeriodic Internet ConnectionWeb Secure ExtensionGoogle ChromeMicrosoft EdgeFirefoxBraveCompatibilityZoneAlarm Anti-Ransomware is compatible with all other antivirus, firewall and PC security software.This product is not compatible with ZoneAlarm Extreme (already comes with ZoneAlarm Anti-Ransomware) or with Check Point Endpoint products. ZoneAlarm Anti-Ransomware for MacmacOS 11 or later1 GB free disk spaceMinimum 8 GB RAM (10 GB recommended)Web Secure ExtensionGoogle ChromeMicrosoft EdgeFirefoxBraveSafari ZoneAlarm Free FirewallMicrosoft® Windows® 10, 1132-bit, 3 GB RAM / 64-bit, 4 GB RAM2 GHz or faster processor1.5GB of available hard-disk spaceMicrosoft .NET frameworkVersion 3.5 or laterNote: If a supported Microsoft .NET Framework is not installed, it will be installed with ZoneAlarmCompatibilityZoneAlarm is only compatible with MS Windows Defender, and is not compatible with any other anti-malware software. To install ZoneAlarm, you must first uninstall other anti-malware software. Otherwise, you may experience OS stability and computer performance issues. ZoneAlarm Free AntivirusMicrosoft® Windows® 10, 1132-bit / 64-bit, 2 GB RAM2 GHz or faster processor1.5GB of available hard-disk spaceMicrosoft .NET frameworkVersion 3.5 or laterNote: If a supported Microsoft .NET Framework is not installed, it will be installed with ZoneAlarmCompatibilityZoneAlarm Free Antivirus is compatible with MS Windows Defender, and is not compatible with any other antivirus solution. To install ZoneAlarm Free Antivirus, you must first uninstall other antivirus software. Otherwise, you may experience OS stability and computer performance issues. ZoneAlarm Mobile Security - iOS and AndroidAndroid 8.0 or neweriOS 13.0 or newer