Setting up Worldpay with WooCommerce allows you to accept payments from customers using the Worldpay payment gateway on your online store. Here’s a step-by-step guide to help you set up Worldpay with WooCommerce and configure the necessary API credentials, including the Installation ID and MD5 secret:

Step 1: Sign Up for a Worldpay Account
1. Go to the Worldpay website (www.worldpay.com) and sign up for a merchant account.
2. Follow the prompts to provide the required information, including your email address, business details, and contact information.
3. Complete the necessary steps to activate your Worldpay account.

Step 2: Install and Activate the WooCommerce Plugin
1. Log in to your WordPress admin dashboard.
2. Navigate to “Plugins” and click on “Add New.”
3. Search for “WooCommerce” in the search bar.
4. Install the WooCommerce plugin and activate it.

Step 3: Configure WooCommerce Settings
1. After activating the WooCommerce plugin, you will be prompted with a setup wizard. Follow the instructions to set up your store, including choosing your store location, currency, payment methods, and shipping options.
2. Enter your business details, such as store name, address, and contact information.

Step 4: Set Up Worldpay in WooCommerce
1. In your WordPress admin dashboard, go to “WooCommerce” and click on “Settings.”
2. Navigate to the “Payments” tab.
3. Click on “Set up” next to the Worldpay option to configure the Worldpay payment gateway.
4. Enable the “Enable Worldpay” option to activate Worldpay as a payment method on your store.
5. Customise the payment settings as per your preferences, such as configuring the title, description, and order management settings.

Step 5: Get Installation ID and MD5 Secret
1. Log in to your Worldpay account.
2. Navigate to the Integration Setup section or similar.
3. Find the Installation ID and MD5 secret associated with your account.
4. If the Installation ID is not displayed, click on “Generate New Installation ID” or similar to obtain one.
5. Note down the Installation ID and MD5 secret as you will need them for configuring the API in WooCommerce.

Step 6: Configure API Credentials in WooCommerce
1. In your WordPress admin dashboard, go to “WooCommerce” and click on “Settings.”
2. Navigate to the “Payments” tab.
3. Click on “Manage” next to the Worldpay option.
4. Enter your Installation ID in the corresponding field.
5. Enter your MD5 secret in the corresponding field.
6. Save the changes.

Step 7: Test Worldpay Integration
1. To ensure that Worldpay is working correctly, place a test order on your store.
2. Add a product to the cart and proceed to the checkout page.
3. Select Worldpay as the payment method and complete the checkout process.
4. You will be redirected to the Worldpay payment page.
5. Use the provided test credentials or create a test account on Worldpay to simulate a successful payment.
6. Once the payment is successful, you should be redirected back to your WooCommerce store.

Step 8: Additional Worldpay Configuration (Optional)
1. To enable features like recurring payments, currency settings, or other advanced Worldpay features, you can explore the additional settings within the WooCommerce Worldpay settings or consult the Worldpay documentation for integration instructions specific to those features.

By following these steps, you can set up Worldpay with WooCommerce and start accepting payments from customers using the Worldpay payment gateway on your online store. Remember to test the integration thoroughly in both test and live modes to ensure a smooth checkout experience for your customers.

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