You can use this tool as a newsletter by collecting the emails from your visitors
Before setting up the tool, you need to create an account on Google Tag Manager And link it to your Store, Click on the button below to learn how
Go to Addthis.com
Click on Get started, it's free
Choose the type of the tool, then Continue
You can control the tool through this taskbar
Select how you would like to collect emails (I chose here Download to CSV and create a new list and name it)
Control the text design
Control the tool design
You can choose when to show this popup again to the same visitor, or hide the tool from specific pages on your website
Choose when to appear this popup (When exit or after) and put the URL which will redirect the visitor after submitting the email
Activate the tool after finishing
**If you previously set up a tool using this website, so you don't need to go through the following steps, just preview your store outside**
Click on Get the code
Choose Magento
Scroll down to get the code and copy it
Visit tagmanager.google.com and click on New Tag
Click on Tag Configuration
Click on Custom HTML
Paste your code
Click on Submit, Publish then Continue