Checkout screenshot
I don’t find where can I put both language strings or make the translation:
Screenshot 2
hello @globalstd
please try this wpml documentation
1 - In case you entered the texts in the plugin options, then you should be able to translate them with the following steps:
1.1 - Go to your WordPress Dashboard > WPML > String Translation and click the option 'Translate texts in admin screens' then search for the options provided by your plugin and register them for translation.
1.2 - Back at the String Translation screen you should be able translate the text you entered in your theme options.
See: https://wpml.org/documentation/getting-started-guide/translating-theme-options/
2 - For the texts/strings found in your plugin files, then you can proceed this way:
2.1 - Go to your WordPress Dashboard > WPML > String Translation and then click to scan your plugin files.
2.2 - Once done, you should be able to find the desired strings for translation.
See: https://wpml.org/documentation/getting-started-guide/theme-localization/