--- title: "Upgrade installation workflow" slug: "upgrade-installation-workflow-3-1" tags: ["DLP 11.10.x", "DLPD 11.10.x", "Install and Get Started"] updated: 2026-11-05T14:30:37Z published: 2026-11-05T14:30:37Z canonical: "docs.trellix.com/upgrade-installation-workflow-3-1" --- > ## 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. # Upgrade installation workflow Upgrade installation requires only check-in and deployment of the Trellix DLP Discover server software. 1. Download the software from the Trellix DLP download site, or use the ePO - On-prem Software Manager or Software Catalog (to view, download, and install the software. 2. Check in the Trellix DLP Discover server package update to the ePO - On-prem Main Repository. 3. Deploy the Trellix DLP Discover server software to the servers from the ePO - On-premSystem Tree. 4. Verify the installation in the DLP Operations console. ![GUID-19F643C8-6EEB-499F-9EE0-8EA217A8A997-low.png](https://cdn.us.document360.io/0d453a50-e1da-4d4a-9409-fea7959614d8/Images/Documentation/uuid-4d3c8c8c-355b-a468-25bc-210dbebedf63.png)