If you yet to generate your API key in WooCommerce, please follow steps below :
Copy these informations at Yezza-WooCommerce integration page as instructed in the video.
(Open Yezza <Dashboard> , <Settings> and <Advance Settings>. Click <Manage> WooCommerce)
Click <Connect> when finish.
Congratulations! Your Yezza account is now integrated with your WooCommerce website.
Now you can manage your inventory and orders from WooCommerce with your Yezza.