Simple Install
1. Login to WordPress and go to Plugins > Add New > Upload
2. Upload media-manager-plus.zip and activate
3. Access Media Manager Plus settings from the "Media" menu

Manual Install
1. Upload the media-manager-plus folder to your /wp-content/plugins/ directory.
2. Activate the plugin through the 'Plugins' menu in WordPress.
3. Access Media Manager Plus settings from the "Media" menu