1. Upload the plugin files to the `/wp-content/plugins/xilifox-image-optimizer` directory, or install the plugin through the WordPress plugins screen directly.
2. Activate the plugin through the `Plugins` screen in WordPress Admin Panel.
3. Use the `Xilifox -> Xilifox Image Optimizer` screen to configure the plugin.
4. Click on the `Start Bulk Optimization` button and wait.
That's all! Your website is already loading faster!