Steps For Preview URL Configuration

• Navigate to Store Settings >> URLs >> Click “ADD NEW”
• Add a new preview URL and set the Application Type to “WebstorePreview”
  
• Now go to the server >> IIS and add a new binding in the webstore site/project

for the preview URL

• DNS pointing to access the preview URL outside the server
• Go To Admin >> Global settings >> Publish settings >> enabled the preview URL
  
• Published the Store settings preview and production