If you want to use a table in the CKEditor you need to fill in the number of rows and columns as numbers. This widget allows you to mouse over and click when ready. The table show up.
You need to activate the button in the text format of your choise. Here you see the button. In the display you see only one. They are grouped. When you want to use the old widget, click more...
There are 2 third parties..
As the module is dependent of the panelbutton module, you need his third party too.