PLUGIN IS DISCONTINUED!
[PLUGIN IS DISCONTINUED! we do not have any recommendations for alternative plugins]
Plugin adds “parent & hierarchy” functionality to posts (If you have problems, deactivate plugin and in “SETTINGS>PERMALINKS”, do “SAVE PERALINKS” 2 times).
See all available options and their description on plugin’s settings page.
A) Enter your website “Admin Dashboard > Plugins > Add New” and enter the plugin name
or
B) Download plugin from WordPress.org , Extract the zip file and upload the container folder to “wp-content/plugins/”