Navigate to a store and click on a category you’ve added before.
Click on your product name.
Choose variant options, quantity and click “Add to Cart”.
Proceed to checkout.
You might have to sing in passing Customer section.
Choose address and shipping method you’ve added before and click “Continue”.
Fill in “Payment” section.
Place order.
Open Control Panel > Orders. Here store managers could change statuses and perform other manipulations with orders.