To perform bulk profile assignment

1. Go to the WooCommerce Admin panel.
2. On the left navigation bar, click the Tophatter menu.
   A Submenu appears below the tophatter menu as shown in the following figure:
   
3. Click Bulk Action.
   OR
   In the right panel, click the BULK ACTION tab.
   The ASSIGN PROFILE TO CATEGORY page appears as shown in the following figure:
   
4. Scroll down to the category to assign the profile.
5. In the row of the required category,  move to the Select Profile list.
6. In the Select Profile list, select the required profile.
   The selected profile is assigned to the category and a success message appears.