The new docs.trellix.com features a modernized UI and AI-powered conversational search. Content is currently available in English, with additional languages launching in early November 2026. We hope you enjoy the updated experience.

Install or upgrade Trellix Agent

Prev Next

Install the Trellix Agent on endpoints to stream endpoint activity data for real-time threat detection, investigation, and response.

Installation and upgrade of Trellix Agent 5.8.x on endpoints can be performed using multiple deployment methods.

Install Trellix Agent 5.8.x

You can install Trellix Agent 5.8.x from Trellix ePolicy Orchestrator - On-premises (ePO - On-prem) or Trellix ePolicy Orchestrator - SaaS (ePO - SaaS) on Windows, Linux, and Macintosh operating systems. Trellix Agent includes the DXL client, which is installed automatically on managed systems and connects to a DXL broker in your environment.

Upgrade to Trellix Agent 5.8.x

You can upgrade to Trellix Agent 5.8.x from a previous version by creating a client task or an installation package in ePO - On-prem. The DXL client automatically upgrades when Trellix Agent is upgraded.