The use steps of KFC's 38 three-burger home delivery are as follows:

1. Click on the take-away software to find the local KFC online store.

2. Choose the 38 hamburgers you plan to buy in the local KFC online store, and check the KFC home delivery option.

3. After payment, there will be a meal pick-up code, which will be used successfully if it is delivered by the delivery staff.