Trellix (formerly McAfee) Endpoint Security - Windows Installation

Supported environments for Endpoint Security

Endpoint Security is supported on the following Windows platforms:


Windows 11, 10


Windows Server 2022, 2019, 2016

A complete list of supported environments is located in the McAfee knowledgebase article KB82761

Installation Instructions

  • Download a copy of Trellix Endpoint Security from the Software Download site and save it to your desktop.
  • If you have an existing anti-virus software installed, you must uninstall any existing anti-virus first.  If uninstalling an existing anti-virus software, please restart your system before proceeding with the installation of Trellix Endpoint Security. (For previous Endpoint Security versions, you may need to uninstall the components in the following order Trellix/McAfee Endpoint Security Adaptive Threat Protection, Trellix/McAfee Endpoint Security Threat Prevention, Trellix/McAfee Endpoint Security Platform, Trellix/McAfee Agent)
  • Double click ENS zip file.  Select Extract on the menu then extract all to extract the contents.
  • In the folder of extracted files, double click setupEP.exe
    List of extracted files within the ENS zip file, including setupEP.exe
  • When prompted to allow program (Musarubra US LLC) from verified publisher (Musarubra US LLC) to make changes on the computer, click Yes.
    Message box to allow Windows User Account Control to let the installer run. Choose Yes.
  • Read the license agreement then Accept.
    McAfee ENS User License Agreement. Choose Accept.
  • The installer will scan for any incompatible products.  (See KB85522 for list of automatically detected software.)  Continue to allow installation to proceed.
    Step to check for incompatible products. If none are found, choose continue.
  • Threat Prevention and Adaptive Threat Prevention should be selected on the list of Install options, click Install.
    List of ENS modules to install, and installation location. Choose Install.
  • Trellix Endpoint Security installed successfully.  Click Close.
    ENS installation is complete. Choose Close.
  • Restart your system to allow the installation to complete.

Post Installation Instructions

 Verify the installation

On the client system:

  1. Locate the Trellix Endpoint Security icon in the taskbar.
    McAfee icon
  2. Right-click the Trellix Endpoint security icon and select Trellix Endpoint Security.
  3. From the Action menu, select About.
  4. Verify that EndPoint Security Platform, Adaptive Threat Prevention, and Threat Prevention are listed.

 Update Trellix Endpoint Security

  1. Locate the Trellix Endpoint Security icon in the taskbar.
    McAfee icon
  2. Right-click the Trellix Endpoint security icon and select Update Security.
    Right click menu for McAfee ENS
  3. The Trellix Agent Updater will indicate Update in Progress, then display a message Update Finished.
    McAfee ENS update window
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Article ID: 1797
Created: Mon, 21 Oct 2019 1:58pm
Modified: Wed, 10 Jan 2024 12:59pm