Upgrade standalone Elastic Agents

Running Elastic Agent in standalone mode is an advanced use case. The documentation is incomplete and not yet mature. When possible, we recommend using Fleet-managed agents instead of standalone mode.

To upgrade a standalone agent running on an edge node:

Make sure the elastic-agent service is running.
From the directory where Elastic Agent is installed, run the upgrade command to upgrade to a new version. Not sure where the agent is installed? Refer to Installation layout.

For example, on macOS, to upgrade the agent from version 7.10.0 to 7.10.1, you would run:
```
cd /Library/Elastic/Agent/
sudo elastic-agent upgrade 7.10.1
```

This command upgrades the binary. Your agent policy should continue to work, but you might need to upgrade it to use new features and capabilities.

For more command-line options, see the help for the upgrade command.

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