Visit Settings > Connections.

Type the store name into the Shopify URL box and click Connect.

A pop-up will appear. Sign in to your store.

Once the platforms are linked, continue to sync orders as often as needed by clicking Sync Shopify. These orders will appear under Invoices > Draft.

Advanced: Set tags that will import or exclude orders from specific customers with the same association in Shopify. View here.

(Note: Enterprise-level customers can link more than one Shopify store to their account.)