How to make a 100% discount on the third product in Woocommerce Wordpress if 2 are in the cart?

Question

WordPress

How to make a 100% discount on the third product in Woocommerce Wordpress if there are 2 in the basket, while 2 in the basket must be of a certain variability, let's say the weight is 1000 kg, exactly if 2 products of a certain category are variability, if there are in the basket, then give a certain product of a certain weight as a gift, please tell me how to implement this, I went through the plugins, they complain about the pro version only and it’s not a fact that it will come out there

Answer 1

Check out the Discount Rules for WooCommerce plugin
Example: Buy 2 get 1 cheapest product free