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# Install the GitLab Agent Server (KAS) **(FREE SELF)**
# Install the GitLab Agent Server for Kubernetes (KAS) **(FREE SELF)**
> - [Introduced](https://gitlab.com/groups/gitlab-org/-/epics/3834) in GitLab 13.10, the GitLab Agent Server (KAS) became available on GitLab.com under `wss://kas.gitlab.com`.
> [Moved](https://gitlab.com/groups/gitlab-org/-/epics/6290) from GitLab Premium to GitLab Free in 14.5.
> - [Moved](https://gitlab.com/groups/gitlab-org/-/epics/6290) from GitLab Premium to GitLab Free in 14.5.
The GitLab Agent Server (KAS) is a GitLab backend service dedicated to
managing the [GitLab Agent](../../user/clusters/agent/index.md).
The GitLab Agent Server for Kubernetes is a GitLab backend service dedicated to
managing the [GitLab Agent for Kubernetes](../../user/clusters/agent/index.md).
The KAS acronym refers to the former name, Kubernetes Agent Server.
The KAS is already installed and available in GitLab.com under `wss://kas.gitlab.com`.
This document describes how to install a KAS for GitLab self-managed instances.
