How to add product categories widget in Shop page only?

Have you tried this plugin: Restrict Widgets? It’s free.

It helps if you have a theme which allows for different widgets on different pages or custom sidebars for different pages (widgetized). Basic themes do not always have this functionality. You can check by going to dashboard > appearance > widgets >
Is there a widget for for “shop overview page?”

its solved. thanks ??

@blazeamutha: that’s great. How did you do it?