# Installation and Upgrade Guide (Kubernetes)

> XP documentation for developers, in English, version 9.0.

- Product: XP
- Audience: Developers
- Language: English
- Version: 9.0
- Status: Current
- Canonical URL: https://doc.sitecore.com/xp/en/developers/105/guides/identity-server-installation-and-upgrade-guide-k8s

## Overview

- [Prepare for the installation or upgrade](https://doc.sitecore.com/xp/en/developers/105/guides/identity-server-installation-and-upgrade-guide-k8s/prepare-for-the-installation-or-upgrade.md)
- [Upgrade Identity Server](https://doc.sitecore.com/xp/en/developers/105/guides/identity-server-installation-and-upgrade-guide-k8s/upgrade-identity-server.md)