In this lesson you will learn about the almost 35,000 free plugins in the official WordPress.org Plugin Directory, as well as thousands more in the commercial space. This lesson will give you the tools needed to thoroughly evaluate, install, and choose the most appropriate plugin(s) for your site.
Additional Resources: url changed to https://wordpress.org/support/article/managing-plugins/. Currently, the link is set as https://codex.wordpress.org/Managing_Plugins
Thanks @iwritten!