Now, again click on the “Add New” button from the top-left side in the same “Plugins” page. And complete all the steps again to install other required plugins.
To see the required plugins you need to install, check the below links:
Important Note About "Elementor Pro" Plugin:
You can not install the “Elementor Pro” version from the WordPress plugin repository. Continue this documentation to know about the installation process of the “Elementor Pro” version.
It is essential to install the “Elementor” free version; otherwise, the “Elementor Pro” version will not work. You can install the “Elementor” free version as the same process above. Elementor free version is available in the WordPress repository.