• Click on Online Store > Themes on the left side of the page. 
• On the Live theme, click on Actions and then Edit code. 
• On the left side of the page, under Layout, look for a file called checkout.liquid. 
• If you do not see checkout.liquid file as an option, click Add a new layout. 
• In the Add a new layout window, click on the drop-down menu and choose checkout. 
  If you do not see checkout as an option in the drop-down menu, Please connect with Merchant Success Manager at Shopify. 
• Click Create layout.  
• The checkout.liquid file will then appear on the left side.  
• Click on checkout.liquid and it will appear on the right side.  
• In the code, find the end tag of body </body> tag of code. 
• Copy and paste the code listed below at the very bottom of the head block. 
  {% render 'simply-insurance' %} 
• Click Save. 
• Open the Preview and test the checkout to see if the widget appears above the Continue to payment button on the Shipping page.