To add our JavaScript and Purchase Complete image to your site using the Magento 2 extension:
Login to your Magento account and go to Stores > Configuration > Fresh Relevance.
Expand the Fresh Relevance Script drop-down menu and select Yes.
For Website id, enter your Website ID (WID) in to the text box.
Select Save Config.
To find your website ID in Fresh Relevance, expand the User menu. The value you need is Account ID.
