My client just sent me the base project for development purposes. I think he just zipped the project folder and sent to me.
Now when I go to NetBeans, \"New project
Since you already have all the files in a folder, say "Project", you simply have to open Netbeans and go to
File -> Open Project
(or Ctrl + Shift+ O
on Windows) and then from the dialog box navigate to the folder containing the Folder "Project".
You will see in the dialog box of Netbeans a 'Java cup'. Well, that's your project.