You can download the Chrome Extension from the Chrome Web Store (Link Below)
Once you install the extension when you load Chrome you do not see the ‘purple cloud’ at the side of a jigsaw piece click the jigsaw piece as it may show there. If it does, click the pin to make it blue and this will then pin it to the bar for easy access.
If you do not see the jigsaw piece or do but cannot see the Extension you can easily access it by clicking this - https://chrome.google.com/webstore/detail/cloudcall-unified-communi/jfeiiafdlajdfijkagdncomkjjpadogg
When clicking the link you will be directed to the below page. and click on Add to Chrome and it will install extension to your chrome web browser