By far the best extension we have used for Live Chat in the last 10 years. Easy to implement our preferred setup is now via Google Tag Manager. Simply signup for a free account below and you are setup with the complete system in just minutes.
ZERO-1 are happy to provide free assistance to anyone wishing to use LiveChat with Magento 1 or 2 including setup of your Google Tag Manager account. All you need to do is signup via the box above and then just drop us an email by following this link