Easiest and fastest way to install plugin is to do this from WordPress site plugin management interface. Alternatively one can follow the steps:
- Ensure that Relevanssi plugin is installed
- Upload the plugin files to the
/wp-content/plugins/relevanssi-rest-apidirectory, or install the plugin through the WordPress plugins screen directly.
- Activate the plugin through the ‘Plugins’ screen in WordPress
- Plugin does not require any further configuration