WPSOLR and WPSOLR PRO provide a better search by connecting to either an Elasticsearch server, or an Apache Solr server.

You do not need to know how Elasticsearch or Apache Solr work. Neither do you need to connect to their UI admin, or know about configuration, schemas, types, query syntax, faceting, filtering and so on. Because all is taken care of by our plugins.

But you need to install an Elasticsearch server, or an Apache Solr server. The following videos are samples from youtube tutorials, to do just that.