The Download file server behavior can be accessed through WebAssist -> File Manipulation -> Download File.
Yes, you need a form for each item that will be downloaded.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.