The newest extensions do not have a specific order to follow, and are compatible with DW CS 2014.1
Make sure to uninstall any existing WebAssist extensions before installing the new ones.
After installing into the extension manager, when you open DW, it should launch the WebAssist installer.
if the WebAssist installer does not open automatically, open a php page to force it to open.
After the web assist installer completes make sure to restart DW.
also make sure to install the Deprecated Server Behaviors extension: