Facebook “Like” buttons are generated and styled by Facebook, so they are consistently easy to recognize - usually small blue buttons with the “f” icon on them, and sometimes with a Like “count” next to them, e.g.:
A Facebook “Like” button is not an element that is built into your theme. Facebook has instructions on generating the required code here: https://developers.facebook.com/docs/plugins/like-button
However, this is considered a third-party integration. If you do need assistance with adding a Facebook "Like" button to your shop, we have recommended Shopify Experts and custom developers who can help you implement this on your shop!
Informational Guide Only
This article is provided for informational purposes only and is not supported by Out of the Sandbox support. For further assistance with this, please contact third-party developer for assistance.