The establishment of a comprehensive Shopify store included the setup of the platform, installation of approximately 15 free applications, customization of a free theme, and the addition of custom products. Payment gateway integration and sales channel setup for platforms like Facebook, Wanelo, and eBay were also executed. Important pages such as About, Contact Us, FAQ, Privacy Policy, Terms of Service, and Refund Policy were created. Additionally, Google Analytics was integrated, with efforts made for indexing and sitemap submission.