Convert a WordPress Single Site to Multisite

Quickly convert a single WordPress site to a multisite install:

  1. In wp-config.php add the following line:

    define('WP_ALLOW_MULTISITE', true);
  2. Login to the site
  3. Go to Tools > Network Setup
  4. Fill in the requested information and click Install
  5. Copy and paste the items from the first box into your wp-config.php
  6. Copy and paste the items from the second box into your .htaccess (replace what was there)
  7. Logout
  8. Log back in


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