Download Manager - Wordpress Plugin
This plugin will handle you downloadable files. You can set password and set access level any of your downloadable files from your wordpress site.
You can add/embed downloadable files anywhere in the post just pasting the embed code inside your post content.
Installation
1. Upload `download-manager` to the `/wp-content/plugins/` directory
2. Activate the plugin through the 'Plugins' menu in WordPress
Downloads:
http://wordpress.org/extend/plugins/download-manager/
If you have any question please go to Discussion Forum