opensearch-docs-cn/_install-and-configure/index.md

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---
layout: default
title: Install and configure OpenSearch
nav_order: 1
---
# Install and configure OpenSearch
This section details how to install and configure OpenSearch and OpenSearch Dashboards.
## Install OpenSearch
OpenSearch has the following installation options:
- [Docker]({{site.url}}{{site.baseurl}}/install-and-configure/install-opensearch/docker/)
- [Tarball]({{site.url}}{{site.baseurl}}/install-and-configure/install-opensearch/tar/)
- [RPM]({{site.url}}{{site.baseurl}}/install-and-configure/install-opensearch/rpm/)
- [Ansible]({{site.url}}{{site.baseurl}}/install-and-configure/install-opensearch/ansible/)
- [Helm]({{site.url}}{{site.baseurl}}/install-and-configure/install-opensearch/helm/)
- [Windows]({{site.url}}{{site.baseurl}}/install-and-configure/install-opensearch/windows/)
OpenSearch does not support direct version downgrades. If your environment must be downgraded, we recommend using snapshots to create a restore point, then restoring the snapshot to a cluster built with the target version. To learn more about restore points, see [Restore snapshots]({{site.url}}{{site.baseurl}}/opensearch/snapshots/snapshot-restore#restore-snapshots).
{: .note }
## Install Dashboards
OpenSearch Dashboards has the following installation options:
- [Docker]({{site.url}}{{site.baseurl}}/install-and-configure/install-dashboards/docker/)
- [Tarball]({{site.url}}{{site.baseurl}}/install-and-configure/install-dashboards/tar/)
- [RPM]({{site.url}}{{site.baseurl}}/install-and-configure/install-dashboards/rpm/)
- [Helm]({{site.url}}{{site.baseurl}}/install-and-configure/install-dashboards/helm/)
- [Windows]({{site.url}}{{site.baseurl}}/install-and-configure/install-dashboards/windows/)
## Configuration
For an overview of configuration options for OpenSearch, see [Configuration]({{site.url}}{{site.baseurl}}/install-and-configure/configuration/).