Before beginning the installation and configuring of the plugin, you must first have WordPress already installed on a server. Once you have setup a copy of WordPress, there are two ways you can go about installing the plugin:
Log in to your WordPress admin panel
Navigate to the Plugins menu and click Add New
In the search field type “Embed Any Document" and click search plugins
Once you find it you can install it by clicking Install Now
Download the plugin file to your system
Upload embed-any-document.zip to the wp-content/plugins directory to your web server.
Activate the plugin from the plugin menu within the WordPress admin.