Each WPML add-on serves a different purpose and you may choose to install them based on the requirement of your site.
To install WPML add-ons:
- Download the preferred add-on from the WPML Account Downloads page. For example, download the Media Translation add-on. The add-on lets you choose images and other media for translated content. You can provide replacement images for content in different languages and translate the meta texts of those images.
- Extract the downloaded wpml-media-translation.zip file to the WordPress plugins folder yourhostname/wordpress/wp-content/plugins OR
Go to your WordPress Dashboard > Plugins > Add New. Click the Upload Plugin button. Browse to the download file location, select the wpml-media-translation.zip & install the plugin.
- Click the Activate Plugin button to activate the WPML Media plugin on your website. OR
To activate the plugin on your website site go to WordPress Dashboard > Plugins and then click the Activate button for WPML Media.
For further setup and usage options, refer to the official documentation of WPML Media Translation plugin.