# Fix Pack Installation On Premises 3DEXPERIENCE R2025x

This Best Practices document is a supporting document to the On Premises Installation and On Premises Upgrade documents that are available in the Dassault Systèmes Knowledge Base.

This Best Practices document is a supporting document to the On Premises Installation and On Premises Upgrade documents that are available in the [Dassault Systèmes Knowledge Base](https://www.3ds.com/support/knowledge-base/ "Dassault Systèmes Knowledge Base").
This document describes the procedure to install any Fix Pack for a **3D**EXPERIENCE platform R2025x that is already installed on the user’s server. It uses **3D**EXPERIENCE platform R2025x Fix Pack CFA 2506 level as an example for the procedural specification. This document provides generic best practices that should adapt to the customer environment.

[   Download PDF     ](https://media.3ds.com/support/white-papers/adv_ent/external/2025/DS_WhitePaper_Fix_Pack_Installation_On_Premises_3DEXPERIENCE_R2025x.pdf)

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