WordPress plugins will make blogger ease of work. It will avoid modification in coding, for example facebook like button needs editing coding in themes, to easy these work plugins will help you to get facebook like by plugin installation. Most of the plugins are free and some of the plugins are premium.
1.Click on Add New in Plugins section
2.Here you have to search for your plugin, better to search with relevant keywords. You can search based on keywords, author and tags
3.If you find your searched plugin then install it, you can review it by look at its details.
4. After installing the plugins, You have to activate the plugin. Activation of plugin only make the plugin to work.
5. After install and activate the plugin, facebook like, tweets and google plus link will look like the below image.
Other Related Search Terms:
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How to activate wordpress plugins.