If you do any type of WordPress development then I would highly recommend setting up a WordPress Multisite to help speed up your development time.
In this screencast I quickly run over how to set up a WordPress Multisite locally.
Running time: 4:23
To kick things off you will need to add this snippet to your wp-config.php
file.
/* Multisite */
define( 'WP_ALLOW_MULTISITE', true );
Further Reading:
Thanks ! it helped without any plugin