A Trivial File Transfer Protocol (TFTP) server is a essential tool for network administrators to manage Cisco devices, specifically for backing up configurations and upgrading firmware. While Cisco previously offered its own Windows-based TFTP server, it has since been discontinued.
TFTP is a simplified, lightweight version of FTP designed for fast, unidirectional file transfers. It is particularly useful for devices with limited memory or processing power. How to install a TFTP server in Windows 10 for free | 
