Step 1: Copy Novocall Widget Code
Log in to your Novocall account.
Navigate to “Installation”
Copy widget code.
Step 2: Go to Shopify Account
Login to your Shopify account, go to Online Store and click Themes in the menu on the left.
Clic on the Customize theme button.
Step 3: Edit HTML/CSS
Click Theme options in the top menu and choose the Edit HTML / CSS option from the drop-down menu.
Step 4: Find your store's layout
After selecting Edit HTML/CSS, find the file called theme.liquid inside of your Layout directory. Open the file in Shopify’s editor.
Step 5: Find the body tag
Scroll to the very end of this file and paste the code you have copied from Novocall right before the closing
Click Save to save the changes.
**If you make a mistake or add it incorrectly you could incorrectly install Novocall and might even break your store.
Step 6: Save and check
Now save the file in the Shopify editor and look at your store.
Most importantly, your site should look normal and not broken. Secondly, check to see if the Novocall widget is showing up. It's usually at the bottom right corner by default.