Here are the steps to install a Joomla plugin:
1. Download the plugin package from a trusted source.
2. Log in to your Joomla administrator panel.
3. Go to Extensions > Manage > Install.
4. Click the Upload Package File tab.
5. Click Choose File and select the plugin package you downloaded.
6. Click Upload & Install.
7. Once the installation is complete, you will see a confirmation message.
That’s it! The plugin is now installed and can be activated and configured from the Extensions > Plugins section of your Joomla administrator panel.