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How to Activate Multisite

Multisite lets you create and manage an unlimited number of sites on a single WordPress installation. Put all your client sites on a network to save time when making updates or manage millions of blogs like or

In this section, we walk you through turning your WordPress installation into a network by activating Multisite.

Setup Your Network

In this video we cover:

  1. Backup wp-config.php and .htaccess files
  2. Enable “Network Setup” in the wp-config.php file
  3. Choose a network structure – Sub-domains or Sub-directories
  4. Add WordPress generated Multisite activation code to your wp-config.php
  5. Replace mod_rewrite rules with new rules in the .htaccess file

Want More?

Read the complete guide to WordPress Multisite on our blog or join the WordPress Multisite Masterclass on the WPMU DEV Academy.

If you get stuck, our WordPress hero support specialists are available around the clock.

Enable "Network Setup" In WordPress

Add the following line to your wp-config.php file above where it says /* That's all, stop editing! Happy blogging. */:

define('WP_ALLOW_MULTISITE', true);