Copy the HTML tag generated for your online store: In a new browser tab or window, open shopify.com and sign in to your store. Go to Online Store > Themes > Live theme > Actions > Edit Code. In the "Layout" folder, edit the theme.liquid file. Paste the meta tag you copied from Google's HTML tag section right before . Click Save. Return to Merchant Center and click "Verify your online store" below to submit your online Store to Google for verification.