System requirements Systems must meet specific hardware and software specification to install and use the software. Review the requirements before installing or upgrading the software. Hardware Component Requirements Processors Intel x86_64 architecture-based processor that supports Intel Extended Memory 64-bit technology (Intel EM64T) AMD x86_64 architecture-based processor with AMD 64-bit technology Memory Minimum: 2 GB RAM Recommended: 4 GB RAM Free disk space Installation directory — Minimum 3 GB /tmp directory — Minimum 1 GB /var directory — Minimum 1 GB /opt directory — Minimum 1 GB Operating systems For a list of supported distributions for Threat Prevention, see McAfee Knowledge Base KB87073. For a list of supported distributions for Firewall, see McAfee Knowledge Base KB91326. Note: This product cannot be used on 32-bit platforms. Management platform McAfee ePolicy Orchestrator — 5.9.x or later. McAfee Agent — 5.6.0 (64-bit) or later. McAfee Endpoint Security ePO extension update: Endpoint Security platform extension 10.6.1.1105 Endpoint Security Threat Prevention extension 10.6.1.1107 Endpoint Security Firewall extension 10.6.1.1088 McAfee Endpoint Security license extension — 10.6.6.101 or later.