Hello, greetings for the day.
You already have purchased the theme, you want to develop a single page shopify store, which will have different sections to showcase products, company information, contact forms, and other information.
User will select the product, then he will reach out to its single page for purhchasing.
I will help you in setting up store, uploading product and information, settign up payment gateway.
Connect with me so we can discuss further, thanks