Upgrade guide

This guide describes the upgrade process of the Wazuh server, Open Distro for Elasticsearch, Elastic Stack, and the Wazuh agents. The upgrading from a legacy version section is for those users who need to upgrade the Wazuh installation from a version prior to 3.0.

In case of having any doubt about operating system compatibility, as well as the compatibility between the different Wazuh components, please check the compatibility matrix section.