--- title: "Upgrading Trellix Agent 5.8.x using installation package" slug: "upgrading-trellix-agent-5-8-x-using-installation-package-1" updated: 2026-10-26T07:33:44Z published: 2026-10-26T07:33:44Z canonical: "docs.trellix.com/upgrading-trellix-agent-5-8-x-using-installation-package-1" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.trellix.com/llms.txt > Use this file to discover all available pages before exploring further. # Upgrading Trellix Agent 5.8.x using installation package You can manually upgrade to Trellix Agent 5.8.x on Windows by creating an Agent installation package file from the ePO - On-prem console. Upgrading Trellix Agent using this method is identical to installing Trellix Agent for the first time. 1. Log on to your ePO - On-prem console. 2. Select Menu → Systems → System Tree, then select **New Systems**. 3. Select **Create and download agent installation package**. 4. Select the appropriate Agent version for Windows from the list. 5. Deselect **Embed Credentials in Package** checkbox to receive the default package. You can specify the embedded credentials only for Agent Embedded package for Windows. 6. Assign the appropriate **Agent Handler** to communicate with ePO - On-prem server for deployment. 7. Click **OK**. The installation package file `FramePkg.exe` is created. 8. Right-click and save the file. 9. Copy the installation package file from the ePO - On-prem console to a shared folder on a network server accessible by the endpoint user. 10. Right-click the file and select **Run as administrator**. 11. Click **OK** to complete the upgrade. :