Yes, you can design your own Shopify store.
Designing a Shopify store is easy, and you can get started with the following steps:
Choose a theme. Shopify comes with a range of free and paid themes to choose from. Select a theme that best suits your business and customize it to create a unique look and feel for your shop.
Set up navigation and sections. You can use the drag-and-drop tools to organize your products and create menus. This will make it easier for customers to find what they're looking for.
Add products. You can upload product photos and descriptions, and set prices for each item. You can also create product collections for grouping together related items.
Set up payment and shipping. Shopify integrates with a number of different payment and shipping services, such as PayPal and FedEx. You can also offer discounts and promotions to customers.
Launch your store. Once everything is set up and ready to go, you can hit the publish button and start your online shop!
For more detailed information, check out this helpful Shopify guide: https://help.shopify.com/en/manual/your-account/get-started-with-shopify.