How to install?
The plugin is integrated into the theme and you can always install it from the WP admin panel › Appearance › Install Plugins page.
After activating the plugin, its configuration page will be accessible from the WP Admin › Settings › AdAce menu.
How to update?
The latest version of the plugin is always shipped with the theme updates. When new version is available, the notification should show up in your site's dashboard. You can always update the plugin on the WP admin panel › Appearance › Install Plugins page.