I have also been honestly asking for password but to response. If you can generate the env file automatically. Use the version I posted. It's complete, unlimited but missing .env file
Title for your request: "VTUPRESS - The best, comprehensive and secure wordpress VTU/Airtime vending plugin that works world-wide."
Version: "I'm looking for premium or lifetime version"
Link: "https://vtupress.com/pricing/"