You can connect your Shopify store to Sellware from within your Shopify Admin panel.  The connection can be established either via the Shopify App store, or directly from Sellware.

From the App Store, find the Sellware Marketplace Manager App.

From your Admin Panel, Install the App

If necessary, provide your email address at the Sellware Account Trial creation prompt, and an email verification will be sent to you.

Your Store is now connected!

See the article on Connecting you Marketplaces and Channel Settings for information on properlying connecting your Primary and Secondary Channels.