Plugins can be understood as tools that add functionality to a website. You can find the corresponding plugins to install, configure, and use as needed. Of course, some functions may have been integrated into the theme. Plugins, like themes, have free and paid versions. You can search for the plugins you need in the WordPress official plugin library and download and install them on your foreign trade website.
How to install a WordPress plugin?
Just like themes, you can search for the plugin russian whatsapp you want to install in [Plugins]-[Install Plugin] in the website backend and install it directly online.

If you have downloaded the plugin installation package, you can install it in the background by going to [Plugin] - [Install Plugin] - [Upload Plugin].
After the installation is complete, you will be prompted to enable the plug-in. Just click Enable. If you do not want to enable it for now, you can click the [Enable] button of the plug-in in [Installed Plug-ins] later.