1. Sign in to your 2Checkout account.
2. Click the Account tab and Site Management subcategory.
3. Under Direct Return select Header Redirect.
4. Enter your Secret Word.(Must be the same value entered in your Magento admin.)
5. Set the Approved URL to https://www.yourstore.com/tco/standard/response (Replace https://www.yourstore.com with the actual URL to your store.)
6. Click Save Changes.

1. Download the 2Checkout payment module from https://github.com/craigchristenson/magento2-2checkout
2. Upload the included Tco directory to “app/code/” your Magento root directory.
3. On your server, install the module by running bin/magento setup:upgrade in your magento root directory.
4. Sign in to your Magento admin.
5. Flush your Magento cache under System->Cache Management and reindex all templates under System->Index Management.
6. Navigate to Payment Methods under Stores->Configuration->Sales->Payment Methods expand 2Checkout and make sure that it is enabled.
7. Select No under Sandbox. (Unless you are testing in the 2Checkout Sandbox)
8. Enter your Merchant ID. (2Checkout Account Number)
9. Enter your Secret Word (Must be the same value entered on your 2Checkout Site Management page.)
10. Save your changes.

Please feel free to contact 2Checkout directly with any integration questions.