1. Go to Configuration > Sales > Payments.
2. Click on edit option "CCAvenue" as shown in below attachment.
3. From left side, select ‘CCAvenue settings’
4. Merchant ID: <Enter Merchant ID>
5. Access Code : <Enter Access Code>
6. Encryption Key : <Enter Encryption Key>
7. Click on Save button.
8. After executing all the above steps go to Configuration > Sales > Shippings
9. Edit the shipping Method.
10. Under supported payment methods, select CCAvenue and click on save button.
Note*: After executing all the above steps, Place a order on your store for testing purpose. Try using CCAvenue as a payment option and check if you are getting redirected on the CCavenue payment gateway page. If you are redirected on the payment page then payment gateway is successfully activated on your store. If not, kindly check if the access code, merchant ID and encryption key are added properly.
