I just looked at your screen shots again and you are using the beta serial number. That serial number no longer works. You should get the serial number from your account.
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.