for the most part, there is no order, with the exception of installing these extensions last
CSS Form Builder (Make sure to use the 2.0.1 support release 2 version)
Security Assist 2
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.