However, if you like it you should buy it. It costs US $29 but you can try it for free.

(so it won't get in the way of the Windows-like taskbar you are going to create, while you can still use it as a handy app launcher.) Click the  in the topleft corner, click Dock, then click Left or Right to move the dock to left or right.It can be configured to create a Windows-like taskbar. DragThing is a commercial application that can display a list of running applications.