Go to Woocommerce > Discount Rules in your dashboard.
Click ADD NEW RULE button to add a new Rule Setting.
Once you have finished setting up the rules, click the SAVE & CLOSE button.
Example: Buy 1 and get the second quantity at 50% discount.
RULES SETTING:
WEBSITE VIEW:
If customer buy 2 products, first product at normal price, second product get 50% discount.
If customer buy 4 products, 2 products at normal price, 2 products get 50% discount.
