Go to > Shipping > Add / Remove Modules > Available Modules section.
Click Install under Flat Rate Shipping.
To Configure Flat Rate Shipping
In the Flat Rate Shipping tab, click on the Add Method button.
Enter a name for this shipping method. This name will appear in your on-line store
Enter an Amount that you want to charge for this shipping method. This is the total shipping
charge that will be applied to the order, regardless of the order size or weight.
Click Update.
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