This article discusses how to handle file uploads with Node.js and Express using Multer.Multer offers flexibility with disk & memory storage engines, file filtering, limits, validation, and streaming support.To start, Node.js needs to be installed, along with basic JavaScript and Express knowledge.The tutorial covers setting up an Express project, installing dependencies like Multer, node-fetch, and form-data.It includes frontend setup for file selection and backend processing for file uploads and malware scanning.The article provides code snippets for creating routes, handling file uploads, and scanning for malware using Verisys Antivirus API.Testing instructions are included for both file uploads and malware scanning functionalities.The tutorial ensures proper setup for handling file uploads with Node.js and Express using Multer.Overall, it guides users through creating a file upload system with advanced features using Multer middleware.The complete code for this tutorial can be found on GitHub at the provided link.