Diagnostic Software is a type of computer program designed to identify and troubleshoot issues within hardware or software systems. It analyzes system performance, checks for errors, and provides solutions or recommendations to resolve problems. This software is commonly used in various fields, including IT, automotive, and healthcare. In the IT sector, diagnostic software helps maintain computer systems by detecting malware, optimizing performance, and ensuring security. In automotive applications, it can read error codes from vehicles to assist mechanics in repairs. Overall, diagnostic software plays a crucial role in maintaining the efficiency and reliability of various systems.