- Download the Plugin
- unzip it and upload wp-ban-registration-domain to wp-content/plugins
- Login to Dashboard
- Visit Dashboard->Plugins->Installed or Dashboard->NetworkAdmin->Plugins->Installed(If you are using multisite) and activate the “WordPress Ban registration Domain”
- Please Visit Dasboard->Settings->Ban registration domain and include the domains/emails/extensions you want to block
- that's it.
Alternatively, you can use the WordPress plugin installer to upload and Install the plugin.