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Updating Your License

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Updating Your License

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You can update your license at runtime without shutting down your nodes. License updates take effect immediately. The license is provided as a JSON file that you install with the license API.

When Security is enabled, you need cluster admin privileges to install the license. The built-in elastic user has the required privileges.

To update your license:

Send a request to the license API and specify the file that contains your new license:
```
curl -XPUT -u elastic 'http://<host>:<port>/_xpack/license' -H "Content-Type: application/json" -d @license.json
```
Or on windows machine:
```
gc .\license.json |  Invoke-WebRequest -uri http://<host>:<port>/_xpack/license -Credential elastic -Method Put
```
Where:
- elastic is the built-in super user. The default password is changeme. If you haven’t already, change the default password. Any user with cluster admin privileges can install the license.
- <host> is the hostname of the Elasticsearch node (localhost if executing locally)
- <port> is the http port (defaults to 9200)
- license.json is the license JSON file
If the license you are installing does not support all of the features available with your previous license, you will be notified in the response. To complete the license installation, you must resubmit the license update request and set the acknowledge parameter to true to indicate that you are aware of the changes.
```
curl -XPUT -u elastic 'http://<host>:<port>/_xpack/license?acknowledge=true' -H "Content-Type: application/json" -d @license.json
```

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