Admin can set BOGO offers on the product or on category which he/she wants.
For making this discount rule select Discount Rules tab.
Now choose BOGO Rules
Now you can choose Add BOGO Product Rule ( to make bogo offer on a particular product ) or Add BOGO Category Rule ( to make bogo offer on a particular category ).

Make rule according to your choice.
This rule can be shown in the table and also it can be editable.

Enable rule from the setting tab of our plugin. Give priority accordingly.

Choose among All Match Rule, Best Match Rule or First Match Rule.

Now you can see the offer is successfully applied.

Now whenever you want to disable this discount rule, you don’t have to delete it, just go to Setting Tab and uncheck this rule.