To configure a checkout module simply follow these steps:
- Click the Settings tab and choose the Checkout Settings menu option
- Under the Checkout Methods section you will see a list of checkout methods, like this:

- To enable a checkout method, simply click its checkbox in the list
- Click the Save button to enable the selected checkout methods
- You will now see a list of tabs for each checkout method you have selected, like this:

- You now need to click on each checkout method's tab to configure that method
- After you click on the tab, you will see a list of instructions which will help you create an account and integrate the checkout provider into your store
- After you've configured all of your checkout modules, click Save
- Some checkout providers also have a test mode which you can enable to make sure the checkout provider works when placing an order from your store. You can test the checkout provider in real time by placing an order from your store, and your credit card wont actually be debited because it's a test transaction.
- When you've configured all selected checkout methods, the warning on the home page of your store's control panel will go away