- Before you start take a backup of your website files and database.
- Deactivate all your plugins.
- Edit wp-config.php and add the following line above /* That’s all, stop editing! Happy blogging. */
/* Multisite */ define( 'WP_ALLOW_MULTISITE', true );
- Open your WordPress Dashboard
- Click Tools > Network Setup
- Choose a Network Title and click Install
- Follow the on-screen instructions and add the code blocks to your wp-config.php and .htaccess files.
- Log into your WordPress Dashboard
- Click Plugins and re-activate your Plugins
- From the top menu, click My Sites > Dashboard to start managing your WordPress Multisite Network.
Enable Multisite on an existing WordPress site
How do I convert my WordPress website to Multisite?