To integrate the 2Checkout payment gateway:
I. From the store dashboard go to: > Store Settings > Checkout > General

II. Under the 'Address' heading, check the tick-box labelled 'Show postcode/ZIP Code field':

III. Click 'Save Settings' at the bottom of the page:

IV. From there, go to: > Store Settings > Checkout > Terms

V. Check the tick-box labelled 'Show at checkout':

VI. Click 'Save Settings' at the bottom of the page:

1. Create a 2Checkout Account (if you haven't already done so) - 2checkout.com
2. From the store dashboard go to: > Store Settings > Checkout > Gateways

3. Scroll down to the heading '2Checkout':
4. Check the tick-box labelled 'Enable 2Checkout'
5. Alter the 'Payment method title' to how you see fit
6. Uncheck the tick-box labelled 'Sandbox/test mode'
7. Copy and paste the 'Merchant code', 'Secret key' and 'INS secret word' into the corresponding text boxes
*These details can be found after logging into 2checkout.com under:
> Dashboard > Integrations > Webhooks and API*