Step 1: Login to the admin control panel.
Step 2: Using the top menu bar, hover over the Modules tab and select the Modules option.
Step 3: From the Modules list screen, scroll down until you find the module named GCheckout. Click on the Install button located to the right of the module’s row.
Step 4: Once installed, you will see a successful installation message on the screen. Fromhere, click on the Configure link. This will take you to the next step.
Step 5: You are now on the Google Checkout configuration page. From here you can configure the checkout options. There are several fields to consider when setting up your Google Checkout.
Step 6: Once you have configured the settings properly, click on the Save button found at the bottom of the Configuration section. This will save your settings and activate the checkout option.