Activating Multisite on a Fresh WordPress Installation
Activating Multisite when you install WordPress involves a few extra steps. Firstly, you need to install WordPress and allowing a network.
Install WordPress in the normal way. Download WordPress and use the ‘famous 5 minute install’ to install it on your server or local machine.
Open your wp-config.php file which you’ll find in the folder where you installed WordPress. Find the line that reads: