You can select Free Gift option on first step of offer setup, Free means 100% discount on offer. Customer will get a free offer after payment page on checkout.
There’s 2 options to offer a free gift,
- Choose discount type percentage and set 100% in the discount value field.
- Choose a discount type flat and set the same product price value as the discount value.
In both the cases product price will be 0 and customers will get that offer free!
Front View :