Plesk - WP-Plugins
Process of adding WP-Plugins.
Step 1 - Log in to your Plesk control panel.
Step 2 - Go to the “Websites & Domains” tab and choose which domain you’d like to secure.
Step 3 - Click on WordPress.
Step 4 - Click on Plugins.
Step 5 - Click on Upload Plugin.
Step 6 - Choose the file of Plugins the click on Upload.