The automatic installation of a plugin is easy, and you can also install on manually. It will involve manually downloading a plugin, uploading and activating it.
Make sure you already downloaded a zip file of the plugin to your desktop.
- Login to your WordPress admin dashboard.
- Under the dashboard menu, hover your mouse over Plugins and click on Add New.
- Click on Upload Plugin and then on Browse. Chose your plugins zip file and then click on Install Now.
- Click on Activate Plugin.
Note: The newly activated plugin will show in the sidebar menu. If a setup of the plugin is required, it will show an option to complete it.