01) Customer accesses your website My Account
02) After login he clicks on the request
03) You will have the option to request return / exchange
04) After agreeing to return / exchange terms
05) Select the products you want to exchange / return, quantity, reason and reason / comment
Note: The option to request return / exchange will only be visible after certain days when it is in Sent status. According to your configuration in the Control Panel >> Configuration >> Orders Setting >>
How many days after sending the customer sees the button to request return / exchange in my orders) Set the number of days, just fill in number In this field
In the Order status exchange after customer request row, choose a status after the customer requests the exchange so that the order remains in this status
In the Order status return after customer request line, choose a status after the customer requests the return so that the order remains in this status
In the Order status shipped to the return / exchange button in my orders line, choose the Sent status so that the customer can see the exchange / Return after shipment