How to create product categories in Prestashop and enable in top horizontal menu 1.6.1.1

Follow the steps below to create product categories in Prestashop 1.6.1.1

1. Go to "Catalog" menu tab in the administration page and click on "Categories"
2. Click on the "+" sign to create new categories
3. Once a categories has been created - clean on the name of that category it will navigate to its sub-layer. Click "+" again to create sub-categories under that category

How to set the categories you have created to become the top horizontal menu bar. Follow this simple steps

1. Go to "Modules and Services">> "Modules and Services" in the administration tab
2. Look for Front Office Features "Top horizontal menu" and click "Configure"
3. Add the categories you have added from the Available items box to the Selected Item box. These categories are then shown on the top horizontal navigation menu