Translation:
WebDAV (Web-based Distributed Authoring and Versioning) is an extension of the famous http protocol. It will allow us to access remote files as well as reading and writing. Of course, you must already be able to share a folder or disk WebDAV, that are very well many NAS including the one used in our example, the AS5104T of ASUSTOR .
Here is a simple guide from Plugngeek. (French)
http://www.plugngeek.net/nas-asustor-co ... us-windows