Plugins are used to add to wordpress and tools which provide additional functionality to your wordpress platform. How to Install Plugins WordPress Pinguis WordPress Training.
Generally the Plugin installation is a straight-forward process. In most cases it is enough to upload the plugin under the ‘wp-content/plugins’ directory for the WordPress installation and activate it from the administrator panel.
To remove a plugin from Admin panel. Go to Plugins Installed and browse your installed plugins. If it is Active, De-Active the plugin and Delete.
Or Simply remove the directory for the plugin you would like to uninstall and it will be automatically deactivated.
Still always bear in mind that not all plugins are easy to install, so always refer to their documentation and installation instructions first. If you get a notification at the top of the panel the steps outlined will have to be followed in order for the plugin to function properly.
You may need to read my post about changing file permissions for certain plugins.